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RS409 Release Notes

Version: 4.2-3259


(2017-06-21)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding samba service (CVE-2017-7494).
  2. Fixed several security vulnerabilities regarding ImageMagick (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717, CVE-2016-3718).
  3. Fixed an issue where applications might fail to save files on macOS 10.12.x via AFP.

Version: 4.2-3256


(2016-05-06)
  1. Fixed multiple vulnerabilities regarding Samba module (CVE-2015-5370, CVE-2016-2110, CVE-2016-2111, CVE-2016-2112, CVE-2016-2115, CVE-2016-2118).

Version: 4.2-3255


(2015-05-19)

Fixed Issues

  1. Fixed a vulnerability that could allow unauthorized access to the shared folders via SMB protocol.
  2. Minor bug fixes

Version: 4.2-3254


(2015-03-25)

Fixed Issues

  1. Enhanced SSL 3.0 handling mechanism for POODLE vulnerability.
  2. Upgraded OpenSSL to 1.0.1m to address multiple vulnerabilities (CVE-2014-3571, CVE-2015-0206, CVE-2014-3569, CVE-2014-3572, CVE-2015-0205, CVE-2014-8275, CVE-2014-3570, CVE-2015-0204, CVE-2015-0286, CVE-2015-0287, CVE-2015-0289, CVE-2015-0292, CVE-2015-0293, CVE-2015-0209, and CVE-2015-0288).
  3. Enhanced the stability when repairing degraded RAID.
  4. Fixed a security vulnerability related to SAMBA (CVE-2015-0240).

Version: 4.2-3252


(2014-09-10)

Fixed Issues

  1. Fixed a vulnerability that could allow servers to accept unauthorized access.

Version: 4.2-3251


(2014-08-26)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1i to fix multiple security issues (CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3508, CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512, and CVE-2014-5139).
  2. Implemented fixes for Kerberos 5 to address multiple security issues that allow remote attackers to cause denial of service (CVE-2012-1013, CVE-2014-4341, CVE-2014-4342, CVE-2014-4344).
  3. Updated to the last version of PHP 5.3, announced EOL by the official PHP development team, to address multiple security vulnerabilities (CVE-2014-3981, CVE-2014-3515, CVE-2013-6712, CVE-2014-0207, CVE-2014-0238, CVE-2014-0237, CVE-2014-4049).
  4. Minor bugs fixes.

Version: 4.2-3250


(2014-07-17)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1h to fix several security issues (CVE-2014-0224, CVE-2014-0221, CVE-2014-0195, CVE-2014-0198, CVE-2010-5298, and CVE-2014-3470).
  2. Minor bugs fixed.

Version: 4.2-3248


(2014-04-15)

Fixed Issues

  1. Fixed a critical security issue of OpenSSL (heartbleed) to prevent secret keys from being compromised. (CVE-2014-0160)

Version: 4.2-3247


(2014-03-20)

Fixed Issues

  1. Fixed a security issue related to OpenSSL (CVE-2013-4353).
  2. Fixed security issues by upgrading PHP to version 5.3.28 (CVE-2013-4073, CVE-2013-6420).
  3. Fixed a security issue to prevent malicious attacks via NTP service (CVE-2013-5211).
  4. Fixed a security issue of Windows File Services (SMB) to prevent unauthorized access. (CVE-2013-4408, CVE-2012-6150)
  5. Fixed an issue where CalDAV clients cannot receive data from CalDAV server.
  6. Fixed an issue where data might not be correctly written to a degraded RAID 5 volume.

Version: 4.2-3246


(2014-02-17)

Change Log

  1. This update is required to continue using QuickConnect & Push Service notifications.
  2. Fixed an issue causing HDD Hibernation to not work.
  3. Fixed an issue where SFTP service would consume excessive memory when it was enabled.

Version: 4.2-3243


(2013-11-14)

Fixed Issues

  1. Enhanced CalDAV compatibility with Calendar in iOS7.
  2. Enhanced the overall security of DSM.

Version: 4.2-3211


(2013-04-18)

What's New

  1. Fixed an issue where users could not connect to the DiskStation via FTP over SSL.
  2. Fixed an issue which kept the DiskStation from connecting to SNMP (Simple Network Management Protocol) UPS devices.
  3. Fixed an issue where domain users could not obtain an emergency code for 2-step verification.
  4. Improved the compatibility of file sharing via SMB/CIFS with Mac computers.
  5. Improved the stability of generating Disk Usage Reports.
  6. Improved the stability of iSCSI LUN.
  7. Improved the compatibility when backing up data between different versions of DSM.
  8. Improved stability when syncing files between two DiskStations with Shared Folder Sync.
  9. Improved the stability when backing up data to another DiskStation with Time Backup.
  10. Other issue fixes and enhancements.

Version: 4.2-3202


(2013-03-04)

Compatibility and Installation

  1. DSM 4.2 will be the last DSM upgrade for all 9-series Synology NAS due to hardware capabilities.
  2. DSM 4.2 can only be installed on Synology products running DSM 4.0 or later. Before starting, please log into DSM and go to Control Panel > DSM Update to install the latest available update.
  3. The following packages must be updated to be compatible with DSM 4.2: VPN server, Mail Server, Mail Station, Video Station, Time Backup, Logitech Media Server.
  4. Some features have special hardware requirements and are only available on select models.

What's New

  1. Storage Manager

    • Global Hot Spare Disks -- Hard disks can now be designated as hot spare disks, which can repair degraded volumes/Disk Groups/iSCSI LUNs by automatically replacing a failed disk.
    • S.M.A.R.T. Test Scheduler -- You can now perform S.M.A.R.T. tests according to your individual schedule. For example, S.M.A.R.T.tests can be scheduled to run monthly or automatically test all of the disks in your DiskStation.
  2. File Services for Windows, Mac OS, and Linux

    • SMB2 Protocol Support for Windows File Service -- SMB 2 protocol has general improvements to allow for better network utilization.
    • Large MTU Support for SMB2. The Large MTU (maximum transmission unit) option allows users to utilize the network capabilities better and achieve faster transferring speed. You can enable this option through a registry key on Windows computers.
    • AFP (Apple File Protocol) Performance Enhancements -- The speed of file transfers to the DiskStation has improved up to 52%. The following is a comparison between DSM 4.1 and DSM 4.2.
    DSM 4.1 DSM 4.2 Improvement
    DS212+ 45.2 MB/s 68.6 MB/s 51.6%
    • Network Backup, rsync, and Shared Folder sync -- The performance of these feature has been generally improved when transferring large numbers of folders and files. The following is a comparison between DSM 4.1 and DSM 4.2.
    DSM 4.1 DSM 4.2 Improvement
    Backup 5000x 1MB files in 1110 folders from DS213+ to DS212 32.8 sec 14.55 sec 2x

    The time used to run the backup task for the second time.

  3. File Station

    • Single Page of Files -- You can now browse up to 1000 files on one single page.
    • Thumbnail View -- Files and pictures can be displayed as large icons or thumbnails of pictures, if available.
    • Hotkeys -- The following keyboard shortcuts have been added in order to simplify file management: Select All (Ctrl + A), Cut (Ctrl + X) , Copy (Ctrl + C), Paste (Ctrl + V), Delete (Delete), Rename (F2).
  4. TFTP & PXE

    • TFTP & PXE -- You can now set up your DiskStation as a TFTP server, allowing clients to retrieve system boot images via TFTP and implement Pre-Boot Execution Environment (PXE).
  5. Package Center

    • New Design for App Discovery -- You can now browse packages by categories or search for specific packages. Screenshots are included to give you a preview of the app before installing them.
    • Transaction Platform -- Paid and trial versions of packages are available in the new Package Center. Please note, you will need a MyDS Center account in order to purchase paid apps.
    • Integrated with MyDS Center Account -- You can now review your purchase history on the MyDS Center website.
  6. 2-step Verification & Account Activity

    • 2-step Verification-- This feature adds an extra layer of security to your DSM account. Once 2-step verification is enabled, anyone trying to access your account will need a one-time 6-digit code displayed on your smartphone, in addition to your DSM password.
    • Account Activity -- This feature lets you view your current login session and login history.
  7. Firewall & Security

    • Denial of Service (DoS) Protection -- This option allows you to filter out malicious traffic without interrupting safe traffic.
    • Customized Block & Allow IP List for Auto Block -- You can now manually add IP addresses to your Block and Allow lists to protect your network.
  8. LDAP/AD Accounts

    • More Apps for Enterprise Users -- Enterprise users can now enjoy more features of DSM with LDAP or AD accounts. Supported packages includes Cloud Station, Audio Station, Video Station, Mail Server, and Mail Station.
  9. Task Scheduler

    • Automate Tasks -- Task Scheduler allows you to schedule and run tasks at pre-defined times. Tasks include running user-defined scripts, cleaning the Recycle Bin on a regular basis, and starting and stopping services, among others.
  10. Disk Usage Report

    • Easily Monitor Storage Usage -- The disk usage report feature displays the following information: the outstanding storage usage of users, the status of volume usage, trends based on past usage, the percentage of disk space that each file type occupies, the size of shared folders, and the largest, most, least frequently modified files.
    • Schedule Report -- You can schedule periodic reports or perform analyses immediately.
  11. Bluetooth Support

    • Stream music with Bluetooth -- You can to connect multiple USB Bluetooth adapters to your DiskStation and connect to A2DP Bluetooth devices, such as speakers or headphones in order to easily stream music stored on your DiskStation.
  12. DDNS

    • Support for Multiple DDNS Hosts-- More than one DDNS provider can now be set up and saved at the same time.
    • Supports Chinese domain names provided by Oray DDNS.
  13. QuickConnect

    • More Mobile Support -- QuickConnect now supports more mobile apps, including DS photo+, DS audio, and DS cloud.
  14. Power, Devices and Printers

    • Network UPS Support -- DiskStation now supports connecting to SNMP (Simple Network Management Protocol) UPS devices or network management cards, allowing your DiskStation to enter safe mode based on the status of your network UPS.
    • Network Printer Support -- DSM now supports LPR, IPP, Socket, and BJNP network printers and can share them over the network via AirPrint, Cloud Print, LPR, CIFS, IPP protocols. Windows users can set up network printers shared by DiskStation with Synology Assistant.
  15. Wi-Fi Connectivity Enhancements

    • WPA2 Enterprise -- If your DiskStation has a USB Wi-Fi adapter installed or built-in, you can join a wireless network with WPA2 Enterprise security.
  16. The desktop version of DSM on touch-enabled devices has been enhanced to support more touch events for Safari on iPhone, iPad and Chrome on Android devices.š

    • Application windows can be auto-maximized and auto-centered.
    • Users can use 3-finger gestures to switch between applications.
    • Users can long-press on items to right-click.
    • Supports double tapping items.
  17. Certificate Management

    • Certificate management allows you to create a self-signed certificate or a certificate request, or import certificates to DSM for encrypted services, such as web (HTTPS), FTP, RADIUS server, and mail services.
    • You can view info regarding your server certificate, including expiration date, issuer, and subject (common name) in Control Panel > DSM Settings.
  18. Misc.

    • Apache has been upgraded to 2.2.23.
    • PHP has been upgraded to 5.3.21.
    • Perl is now a standalone package.
    • If you enable SSH service and open its port (22) to the Internet, you may notice many attempts to access your DiskStation in System Logs, because SSH connections are now recorded in DSM 4.2. To protect your DiskStation, we suggest configuring Firewall settings to allow only select IP addresses to access your DiskStation via SSH.
    • Supports an alternative DNS server in network settings
    • You can discover your Synology NAS with SSDP (Simple Service Discovery Protocol) before DSM is installed if the Synology NAS has been installed DSM 4.2 once.

Version: 4.2-3259


(2017-06-21)

Important Note

  1. The update is expected to be available for all regions within the next few days, although the time of release in each region may vary slightly.
  2. This update will restart your Synology NAS.

Fixed Issues

  1. Fixed a security vulnerability regarding samba service (CVE-2017-7494).
  2. Fixed several security vulnerabilities regarding ImageMagick (CVE-2016-3714, CVE-2016-3715, CVE-2016-3716, CVE-2016-3717, CVE-2016-3718).
  3. Fixed an issue where applications might fail to save files on macOS 10.12.x via AFP.

Version: 4.2-3256


(2016-05-06)
  1. Fixed multiple vulnerabilities regarding Samba module (CVE-2015-5370, CVE-2016-2110, CVE-2016-2111, CVE-2016-2112, CVE-2016-2115, CVE-2016-2118).

Version: 4.2-3255


(2015-05-19)

Fixed Issues

  1. Fixed a vulnerability that could allow unauthorized access to the shared folders via SMB protocol.
  2. Minor bug fixes

Version: 4.2-3254


(2015-03-25)

Fixed Issues

  1. Enhanced SSL 3.0 handling mechanism for POODLE vulnerability.
  2. Upgraded OpenSSL to 1.0.1m to address multiple vulnerabilities (CVE-2014-3571, CVE-2015-0206, CVE-2014-3569, CVE-2014-3572, CVE-2015-0205, CVE-2014-8275, CVE-2014-3570, CVE-2015-0204, CVE-2015-0286, CVE-2015-0287, CVE-2015-0289, CVE-2015-0292, CVE-2015-0293, CVE-2015-0209, and CVE-2015-0288).
  3. Enhanced the stability when repairing degraded RAID.
  4. Fixed a security vulnerability related to SAMBA (CVE-2015-0240).

Version: 4.2-3252


(2014-09-10)

Fixed Issues

  1. Fixed a vulnerability that could allow servers to accept unauthorized access.

Version: 4.2-3251


(2014-08-26)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1i to fix multiple security issues (CVE-2014-3505, CVE-2014-3506, CVE-2014-3507, CVE-2014-3508, CVE-2014-3509, CVE-2014-3510, CVE-2014-3511, CVE-2014-3512, and CVE-2014-5139).
  2. Implemented fixes for Kerberos 5 to address multiple security issues that allow remote attackers to cause denial of service (CVE-2012-1013, CVE-2014-4341, CVE-2014-4342, CVE-2014-4344).
  3. Updated to the last version of PHP 5.3, announced EOL by the official PHP development team, to address multiple security vulnerabilities (CVE-2014-3981, CVE-2014-3515, CVE-2013-6712, CVE-2014-0207, CVE-2014-0238, CVE-2014-0237, CVE-2014-4049).
  4. Minor bugs fixes.

Version: 4.2-3250


(2014-07-17)

Fixed Issues

  1. Upgraded OpenSSL to Version 1.0.1h to fix several security issues (CVE-2014-0224, CVE-2014-0221, CVE-2014-0195, CVE-2014-0198, CVE-2010-5298, and CVE-2014-3470).
  2. Minor bugs fixed.

Version: 4.2-3248


(2014-04-15)

Fixed Issues

  1. Fixed a critical security issue of OpenSSL (heartbleed) to prevent secret keys from being compromised. (CVE-2014-0160)

Version: 4.2-3247


(2014-03-20)

Fixed Issues

  1. Fixed a security issue related to OpenSSL (CVE-2013-4353).
  2. Fixed security issues by upgrading PHP to version 5.3.28 (CVE-2013-4073, CVE-2013-6420).
  3. Fixed a security issue to prevent malicious attacks via NTP service (CVE-2013-5211).
  4. Fixed a security issue of Windows File Services (SMB) to prevent unauthorized access. (CVE-2013-4408, CVE-2012-6150)
  5. Fixed an issue where CalDAV clients cannot receive data from CalDAV server.
  6. Fixed an issue where data might not be correctly written to a degraded RAID 5 volume.

Version: 4.2-3246


(2014-02-17)

Change Log

  1. This update is required to continue using QuickConnect & Push Service notifications.
  2. Fixed an issue causing HDD Hibernation to not work.
  3. Fixed an issue where SFTP service would consume excessive memory when it was enabled.

Version: 4.2-3243


(2013-11-14)

Fixed Issues

  1. Enhanced CalDAV compatibility with Calendar in iOS7.
  2. Enhanced the overall security of DSM.

Version: 4.2-3211


(2013-04-18)

What's New

  1. Fixed an issue where users could not connect to the DiskStation via FTP over SSL.
  2. Fixed an issue which kept the DiskStation from connecting to SNMP (Simple Network Management Protocol) UPS devices.
  3. Fixed an issue where domain users could not obtain an emergency code for 2-step verification.
  4. Improved the compatibility of file sharing via SMB/CIFS with Mac computers.
  5. Improved the stability of generating Disk Usage Reports.
  6. Improved the stability of iSCSI LUN.
  7. Improved the compatibility when backing up data between different versions of DSM.
  8. Improved stability when syncing files between two DiskStations with Shared Folder Sync.
  9. Improved the stability when backing up data to another DiskStation with Time Backup.
  10. Other issue fixes and enhancements.

Version: 4.2-3202


(2013-03-04)

Compatibility and Installation

  1. DSM 4.2 will be the last DSM upgrade for all 9-series Synology NAS due to hardware capabilities.
  2. DSM 4.2 can only be installed on Synology products running DSM 4.0 or later. Before starting, please log into DSM and go to Control Panel > DSM Update to install the latest available update.
  3. The following packages must be updated to be compatible with DSM 4.2: VPN server, Mail Server, Mail Station, Video Station, Time Backup, Logitech Media Server.
  4. Some features have special hardware requirements and are only available on select models.

What's New

  1. Storage Manager

    • Global Hot Spare Disks -- Hard disks can now be designated as hot spare disks, which can repair degraded volumes/Disk Groups/iSCSI LUNs by automatically replacing a failed disk.
    • S.M.A.R.T. Test Scheduler -- You can now perform S.M.A.R.T. tests according to your individual schedule. For example, S.M.A.R.T.tests can be scheduled to run monthly or automatically test all of the disks in your DiskStation.
  2. File Services for Windows, Mac OS, and Linux

    • SMB2 Protocol Support for Windows File Service -- SMB 2 protocol has general improvements to allow for better network utilization.
    • Large MTU Support for SMB2. The Large MTU (maximum transmission unit) option allows users to utilize the network capabilities better and achieve faster transferring speed. You can enable this option through a registry key on Windows computers.
    • AFP (Apple File Protocol) Performance Enhancements -- The speed of file transfers to the DiskStation has improved up to 52%. The following is a comparison between DSM 4.1 and DSM 4.2.
    DSM 4.1 DSM 4.2 Improvement
    DS212+ 45.2 MB/s 68.6 MB/s 51.6%
    • Network Backup, rsync, and Shared Folder sync -- The performance of these feature has been generally improved when transferring large numbers of folders and files. The following is a comparison between DSM 4.1 and DSM 4.2.
    DSM 4.1 DSM 4.2 Improvement
    Backup 5000x 1MB files in 1110 folders from DS213+ to DS212 32.8 sec 14.55 sec 2x

    The time used to run the backup task for the second time.

  3. File Station

    • Single Page of Files -- You can now browse up to 1000 files on one single page.
    • Thumbnail View -- Files and pictures can be displayed as large icons or thumbnails of pictures, if available.
    • Hotkeys -- The following keyboard shortcuts have been added in order to simplify file management: Select All (Ctrl + A), Cut (Ctrl + X) , Copy (Ctrl + C), Paste (Ctrl + V), Delete (Delete), Rename (F2).
  4. TFTP & PXE

    • TFTP & PXE -- You can now set up your DiskStation as a TFTP server, allowing clients to retrieve system boot images via TFTP and implement Pre-Boot Execution Environment (PXE).
  5. Package Center

    • New Design for App Discovery -- You can now browse packages by categories or search for specific packages. Screenshots are included to give you a preview of the app before installing them.
    • Transaction Platform -- Paid and trial versions of packages are available in the new Package Center. Please note, you will need a MyDS Center account in order to purchase paid apps.
    • Integrated with MyDS Center Account -- You can now review your purchase history on the MyDS Center website.
  6. 2-step Verification & Account Activity

    • 2-step Verification-- This feature adds an extra layer of security to your DSM account. Once 2-step verification is enabled, anyone trying to access your account will need a one-time 6-digit code displayed on your smartphone, in addition to your DSM password.
    • Account Activity -- This feature lets you view your current login session and login history.
  7. Firewall & Security

    • Denial of Service (DoS) Protection -- This option allows you to filter out malicious traffic without interrupting safe traffic.
    • Customized Block & Allow IP List for Auto Block -- You can now manually add IP addresses to your Block and Allow lists to protect your network.
  8. LDAP/AD Accounts

    • More Apps for Enterprise Users -- Enterprise users can now enjoy more features of DSM with LDAP or AD accounts. Supported packages includes Cloud Station, Audio Station, Video Station, Mail Server, and Mail Station.
  9. Task Scheduler

    • Automate Tasks -- Task Scheduler allows you to schedule and run tasks at pre-defined times. Tasks include running user-defined scripts, cleaning the Recycle Bin on a regular basis, and starting and stopping services, among others.
  10. Disk Usage Report

    • Easily Monitor Storage Usage -- The disk usage report feature displays the following information: the outstanding storage usage of users, the status of volume usage, trends based on past usage, the percentage of disk space that each file type occupies, the size of shared folders, and the largest, most, least frequently modified files.
    • Schedule Report -- You can schedule periodic reports or perform analyses immediately.
  11. Bluetooth Support

    • Stream music with Bluetooth -- You can to connect multiple USB Bluetooth adapters to your DiskStation and connect to A2DP Bluetooth devices, such as speakers or headphones in order to easily stream music stored on your DiskStation.
  12. DDNS

    • Support for Multiple DDNS Hosts-- More than one DDNS provider can now be set up and saved at the same time.
    • Supports Chinese domain names provided by Oray DDNS.
  13. QuickConnect

    • More Mobile Support -- QuickConnect now supports more mobile apps, including DS photo+, DS audio, and DS cloud.
  14. Power, Devices and Printers

    • Network UPS Support -- DiskStation now supports connecting to SNMP (Simple Network Management Protocol) UPS devices or network management cards, allowing your DiskStation to enter safe mode based on the status of your network UPS.
    • Network Printer Support -- DSM now supports LPR, IPP, Socket, and BJNP network printers and can share them over the network via AirPrint, Cloud Print, LPR, CIFS, IPP protocols. Windows users can set up network printers shared by DiskStation with Synology Assistant.
  15. Wi-Fi Connectivity Enhancements

    • WPA2 Enterprise -- If your DiskStation has a USB Wi-Fi adapter installed or built-in, you can join a wireless network with WPA2 Enterprise security.
  16. The desktop version of DSM on touch-enabled devices has been enhanced to support more touch events for Safari on iPhone, iPad and Chrome on Android devices.š

    • Application windows can be auto-maximized and auto-centered.
    • Users can use 3-finger gestures to switch between applications.
    • Users can long-press on items to right-click.
    • Supports double tapping items.
  17. Certificate Management

    • Certificate management allows you to create a self-signed certificate or a certificate request, or import certificates to DSM for encrypted services, such as web (HTTPS), FTP, RADIUS server, and mail services.
    • You can view info regarding your server certificate, including expiration date, issuer, and subject (common name) in Control Panel > DSM Settings.
  18. Misc.

    • Apache has been upgraded to 2.2.23.
    • PHP has been upgraded to 5.3.21.
    • Perl is now a standalone package.
    • If you enable SSH service and open its port (22) to the Internet, you may notice many attempts to access your DiskStation in System Logs, because SSH connections are now recorded in DSM 4.2. To protect your DiskStation, we suggest configuring Firewall settings to allow only select IP addresses to access your DiskStation via SSH.
    • Supports an alternative DNS server in network settings
    • You can discover your Synology NAS with SSDP (Simple Service Discovery Protocol) before DSM is installed if the Synology NAS has been installed DSM 4.2 once.

Version: 4.1-2668


(2012-12-18)

Change log:

  1. Fixed an issue where you may not see the files via Windows File Service (CIFS protocol) after you rename them.
  2. Fixed an issue where you may not be able to delete files via Windows File Service.
  3. Fixed an issue where the DiskStation may not enter safe mode when a power outage occurs.
  4. Improved overall reliability of Windows File Service.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.1-2661


(2012-11-15)

Change log:

  1. Fixed an issue where files in the encrypted shared folders were case-sensitive.
  2. Fixed an issue where file transmission over HTTPS was slow.
  3. Fixed an issue where the system time of DiskStation was inaccurate.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.1-2647


(2012-10-02)

Change log:

  1. Fixed an issue where the folder and file names were case-sensitive when you access them via Windows File Sharing.
  2. Fixed an issue where full backup was performed when it should be incremental backup. Amazon S3 users should apply this update to reduce the amount of data transmission.
  3. Improved the NFS performance when mounted to VMware ESXi 5.1 servers.
  4. Improved the AirPrint compatibility with iOS 6 devices.
  5. Improved the compatibility with Internet Explorer 10.
  6. Other fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.1-2636


(2012-08-31)
  • DSM 4.1 can only be applied to Synology NAS with DSM 4.0 and onward. Download DSM 4.0 at: Americas, Asia, Europe, Hong Kong
  • Due to the hardware capability, not all of the features of DSM 4.1 are available to all models; please see below for more information. If you would like to experience the full potential of DSM 4.1 or the future release of the DSM operating system, please consider upgrading the Synology NAS to a new one.

New Feature Highlights

  1. Firewall with Traffic Control:

    • The Traffic Control allows you to reserve, limit, or prioritize the bandwidth usage for difference services to help you manage your bandwidth resource effectively.
    • The maximum bandwidth for each network port or port range can be set up within the built-in Firewall.
  2. Speed Limit:

    • In FTP, File Station,WebDAV and Network Backup settings, you can set the bandwidth for selected users, groups, to limit speed of a single user, or the total bandwidth usage for a group.
    • Speed limit is supported on domain users and groups including LDAP domain or Windows AD.
    • The file transfer sessions with speed limit can be viewed in System Information.
  3. FTP Server:

    • SFTP server is supported to meet the enterprise security standard.
    • SFTP server port number can be either specified or the same port as SSH.
    • FTPS service supports FIPS by using OpenSSL FIPS 140-2 validated cryptography module.
    • FXP is supported, enabling users to exchange files between two FTP servers directly.
  4. Windows File Service Update:

    • Samba is now upgraded to 3.6 with the version of SMB protocol SMB1.
    • The authentication security is enhanced with NTLMv2 and updated Kerberos v5 support.
  5. Recycle Bin on all file protocols:

    • Recycle Bin now works in Windows File Sharing (CIFS), File Station, FTP, AFP and WebDAV. In case that you have accidently removed important files on Synology NAS, you can still simply retrieve the files back from recycle bin.
    • Recycle Bin can now be enabled or disabled on different shared folders.
  6. QuickConnect - File Sharing:

    • Users can now share any file links with the domain of GoFile.me without configuring port forwarding on the router.
  7. Shared Folder Sync:

    • Shared Folder Sync now supports synchronization from multiple Synology NAS to the same destination. This is supported only when DSM 4.1 is running on both source and destination servers.
  8. Resource Monitor:

    • The new Resource Monitor app enables you to monitor the CPU, physical memory, disks and network utilization of your Synology DiskStation.
    • View the swap in/out rate as well as IOPS, transfer rate, and the average loading of each disk.
    • Resource monitor log is now available to display the real time, 1 day, 1 week, 1 month, and 1 year of all analyzed reports with historical data.
    • View all the current running and idling processes on your Synology NAS.
  9. Connection via Proxy Server:

    • Synology NAS can now connect to the Internet via a proxy server in your LAN. You can update DSM or packages directly in the web interface more easily.
    • HTTP/HTTPS proxy server and authentication are supported.
  10. System Log:

    • The System Log consolidates all logs in DSM.
    • Spot important events including error or warning with just a few clicks.
    • Keyword search is available in the system log.
  11. SNMP v3:

    • SNMP v3 is now supported for you to monitor Synology NAS with enhanced security.
    • You can download Synology MIB files to configure your NMS (Network Management System) to monitor multiple Synology NAS.
    • IPv6 is supported to enable you to get the system status of your DiskStation.
  12. Netatalk is updated to 2.2.3.

  13. PHP module is updated to 5.3.15.
  14. Openssl has been updated to 1.0.1c.
  15. Apache is updated to 2.2.22.
  16. Thumbnail Creation Speed:

    • Thumbnail creation speed on Synology NAS has been improved with the new algorithm for thumbnail creation. Below is the test result of the time spent (in seconds) to get thumbnails of 160 MB pictures done.
    DSM 4.0 DSM 4.1 Improvement
    DS1512+ 395 150 163.33%
    DS409+ 565 500 13.00%
    DS112+ 2019 1538 31.27%
    • Photos can now be displayed more quickly in Photo Station in DSM 4.1 with the new thumbnail display mechanism.
    • You are able to set the thumbnail quality to be normal to make the thumbnail converting process a lot faster.
  17. Package Center:

    • You can update all packages with a single click on the Update All button.
    • Beta channel in Package Center is now available for subscription if you would like to try the latest/experimental features.
    • Available packages can now be sorted by name or by popularity.
  18. VPN connection is supported with reconnect automatically when the connection is lost.

  19. NTP server is now built-in in your DiskStation.
  20. DS video on iPhone/iPad (Available soon in App Store):

    • Watch videos in supported format (MP4, M4V, MOV) from the Video Station library on iPhone and iPad with DS video.
    • If you have plugged in a DTV dongle to your DiskStation, you will also be able to view and schedule TV program recording with DS video.
  21. DS download on iPhone (Available soon in App Store):

    • DS download allows you access Download Station remotely from your iPhone; you can view the list of your download tasks and the information of each task, as well as pause, resume or delete tasks.
    • Create download tasks through the in-built browser in DS download, using Safari, or simply by entering URL.
    • Manage settings of the Download Station, including the maximum upload and download speeds for different types. Advanced schedules defined in Download Station can be activated from DS download.
  22. DS file on iPhone/iPad and Android phone/tablet (Available soon in App Store and Play Store):

    • With Cloud Station integration, DS file allows you to sync files with the Cloud Station folder of your DiskStation.
    • Sync files with the Cloud Station folder of your PC/Mac (limited to 10MB per file and to the following formats: doc, ppt, xls, docx, pptx, xlsx, odt, ods, odp, epub, mobi, prc, pdf, txt, html, htm, pages, numbers, key, pages.zip, numbers.zip, key.zip)
  23. DS audio on iPhone/iPad (Available soon in App Store):

    • Assign specific songs to be always available for listening by storing on your iOS devices. When the network connection is not available, you can switch to the offline mode and play the songs you’ve downloaded.
    • Create and edit playlists from “Now playing” list.
    • View lyrics of the song currently being played.
  24. DS audio on Android phone/tablet (Available soon in Play Store):

    • Android tablets and landscape are supported.
    • You can view lyrics display for song being played.
  25. DS photo+ and DS audio on Windows Phone (Available soon in Marketplace):

    • DS photo+ & DS audio are now available on Windows Phone.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.0-2228


(2012-05-15)

Change log:

  1. Photo Station, Audio Station, Surveillance Station and Download Station packages have been updated. Please refer to these packages’ release notes for details.
  2. Enhanced the stability of file based iSCSI LUN over 1TB.
  3. Fixed an issue that caused the incorrect aspect ratio in video playback in Photo Station.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.0-2219


(2012-04-17)

Change log:

  1. Updated Photo Station, Audio Station, Surveillance Station, Media Server, iTunes Server and Download Station packages to the latest version if they were installed. Please refer to these packages’ release notes for details.
  2. Enhanced Samba protocol security by preventing remote code execution as the "root" user (CVE-2012-1182).
  3. Added a notification event when the DiskStation enters safe mode due to UPS low battery.
  4. Enhanced USB Copy to function properly with an attached iPhone.
  5. Fixed an issue where your DiskStation might not enter hibernation while DDNS service is enabled and PPPoE connection is established.
  6. Enhanced the overall stability of AFP file protocol.
  7. Minor bug fixes.

Limitation & Known Issues

  1. Time Backup package has to be updated to the latest version to run on this DSM version.
  2. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.0-2198


(2012-03-08)

Change log:

  1. Fixed an issue where you may not be able connect to your DiskStation via Internet when Firewall is enabled and set as “Deny Access if no rules are matched”.
  2. Fixed an issue where the access to DiskStation share folders via CIFS protocol may be interrupted when DiskStation joins the LDAP service as client, and the account password is changed.
  3. Improved the stability of accessing external NTFS drives via CIFS protocol.
  4. Other minor fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 4.0-2197


(2012-03-06)
  • DSM 4.0 can only be applied to Synology DiskStation with DSM 3.0 and onward. Download DSM 3.0 at: Americas, Asia, Europe
  • Due to the hardware capability, DSM 4.0 will be the last DSM upgrade available for all x08-series DiskStations.
  • Due to the hardware capability, not all of the features of DSM 4.0 are available to all models; please see below for more information. If you would like to experience the full potential of DSM 4.0 or the future release of the DSM operating system, please consider upgrading the DiskStation to a newer one.

New Feature Highlights

  1. Cloud Station beta (Available in Package Center)

    • Cloud Station is a free package which offers a file-syncing solution on multiple computers that lets you bring your docs and multimedia anywhere and backup them easily.
    • 32 historical file versions are available for each synced file which helps you backup your important files automatically.
    • Recycle bin stored the deleted files for later retrieve if necessary.
    • Privilege control allows the selected users to use Cloud Station to control your network bandwidth.
    • Cloud Station client is now available on Windows XP, Windows Vista, and Windows 7, helping you to sync data between your computers and Synology DiskStation via the IP address or ezCloud ID.
    • Please refer to the release notes of Cloud Station for details.
  2. ezCloud Service:

    • ezCloud is a cloud service offering QuickConnect, DDNS, MyDS Center, and Push Notification to help you setup/access/manage Synology DiskStation easily.
    • QuickConnect offers ezCloud ID which allows you to connect your Synology DiskStation using Cloud Station client or DS file without setting up port forwarding rules on your router.
    • Customized ezCloud ID allows you to create your own ezCloud identity.
    • DDNS service is free and now provided by Synology offering you the flexibility to customize your own domain in the easiest way.
    • MyDS Center, a Synology membership service, is now up and running to serve the community at MyDS.Synology.com, you may check your Synology DiskStation status from anywhere via the heartbeat feature and receive the push notification in case of any unexpected shutdown.
    • Push Notification enables you to receive the important messages instantly from your Synology DiskStation via Windows Live Messenger, Skype, DS cam and DS finder for iPhone/iPad.
    • HTTPS connection from DS file is supported in QuickConnect service.
  3. Applications Modularization:
    Six previously built-in applications - Photo Station, Audio Station, Download Station, Media Server, iTunes Server, and Surveillance Station - are now modularized to be independent packages, and they can be installed or updated separately without interrupting services running on DSM.

  4. iSCSI LUN Backup:

    • Point-in-time backup technology is used to allow copy-on-write implementation. Space re-claim mechanism is added to take place for any 4GB zero-block to reduce the file size of total backup.
    • In addition to the local host, LUN can also be backed up to an attached external storage device, or onto another DiskStation via network.
    • Incremental backup is available after running the initial full backup.
  5. Desktop Widgets:
    Seven new widgets are now introduced onto DSM desktop – System Health, Resource Monitor, Scheduled Backup, Storage, Current Connections, System Logs and File Change Logs. You will get an overview of system status and monitor the activities of your Synology DiskStation right after the login.

  6. User Interface Enhancements with HTML 5 and CSS3 Transform:

    • Instant Preview allows you to take a quick peek of a running app on the task bar before you switch to it. (Internet Explorer is not supported)
    • Pilot View gives you one place to see and navigate every app running on your DSM with just one click. (Internet Explorer is not supported)
    • You can make groups of shortcuts on DSM 4.0 Desktop.
    • You can personalize the background of the login page in DSM 4.0.
  7. Application Portal:
    You can customize the alias or HTTP port for Audio Station, File Station, Surveillance Station or Download Station, meaning you may now skip the DSM login page for better privacy and offer an easier way to share these services with your friends.

  8. Antivirus Essential (Available in Package Center):

    • Antivirus Essential is a free and complete antivirus solution from Synology.
    • Scheduled virus scan is available to keep your DiskStation safe and secure in your network at all times.
    • Automatic virus definition update allows you to perform the virus scan always with the latest virus definition.
    • Scanning files on the remote folders are supported.
  9. File Station Enhancements:

    • The previous File Browser has now been integrated and renamed to File Station.
    • Windows ACL user interface is now integrated into DSM, so you can edit Windows ACL directly in File Station.
    • Sharable file links are now provided to allow DSM users to share files to others with these private file links, without creating DSM accounts for them.
    • Uploading or downloading multiple files and folders in a sequential order is now available. (Java running on the PC client is required)
    • Personal favorite is now added for quick access to your folders.
    • Instant cut, copy, and paste are now available to manage folders and files between your Synology DiskStation and local computer in File Station.
    • File or folder shortcut on DSM desktop is available by directly drag-and-drop from File Station.
    • The number for maximum files to upload is raised to 300.
  10. Surveillance Station 5 Enhancements:

    • Live View Analytics lets user track targets and record events intelligently in real time. Live View Analytics History also provides user the ability to view Live View statistics and playback incidents.
    • Evidence Integrity Authenticator tool enables users to verify the originality of Surveillance Station's recording or snapshot.
    • Fisheye camera is supported to view 360 degree panoramic view. Multiple regions or 180 degrees hemispheric images can be dewarpped from distorted fisheye image.
    • More than 1,000 IP cameras are supported and 200 new IP camera models are added from Samsung, Vivotek, ACTi, Trendnet, D-Link, and etc. Please refer to the here for the complete list.
    • In addition to e-mail and SMS, push notification supports DS cam, Windows Live Messenger, and Skype and can now be scheduled by individual camera or event type simultaneously.
    • Camera can now be added in batch from different models and brands, to help system integrators efficiently setup a multiple of cameras.
    • Surveillance Station is becoming fast and more responsive.
  11. Photo Station 5 Enhancements:

    • Uploading photos to Picasa Web Albums or Twitter is now supported with just a few clicks. You can upload multiple photos to Picasa Web Album at a time.
    • The new Detail Mode offers you an additional way to view the picture wall in the original aspect of photos along with their titles.
    • A new album, Blog Images, will be created when you share pictures on your blog. The photos shared on your blog will be copied to this public album.
    • Copying photos between albums is now supported for easy management.
  12. Download Station Enhancements:

    • Watched Folder allows you to save torrents or NZB files to the specified folder and download tasks will start automatically.
    • SFTP and FTPS are now supported (not available when downloading a directory).
  13. Media Indexing Service:

    • Media Server, Audio Station and iTunes Server can be configured to include additional indexed folders for media scanning.
    • All picture, audio and video collections can now be customized to be scanned in the 3 default multimedia folders. (music, video, and photo)
    • MPEG-4 video conversion is now supported for playback on mobile devices in Photo Station.
  14. VPN:
    VPN client is now available to allow you to securely access the resources shared within VPN server's local area network, over the Internet. VPN client supports both PPTP and OpenVPN protocol.

  15. Syslog:
    Syslog client is now added to report to your Syslog server, which centralizes logs in one place for easy management.
  16. VLAN support:

    • VLAN tagging is now supported on your DiskStation, which improves the manageability, and reduces hardware/administrative cost. Supporting VLAN also helps your DiskStation fit into your existing network infrastructure.
  17. Hotspot: (not available on all 08 series, DS109j, and DS209j)

    • Wireless access point is now supported by simply plugging a USB wireless dongle into your DiskStation. For the complete supported list, please see here.
  18. Connection Manager:
    A real-time connection list is now added to allow you to monitor who is accessing your data and kill the connections of unwanted users. It is supported in DSM, FTP, Samba, and AFP protocols, as well as shown as the widget on DSM desktop.

  19. Configuration Backup Enhancements:

    • Configuration backup is integrated with settings of Control Panel, providing easy migration and fast system recovery.
    • Scheduled system configuration backup is introduced to automatically backup the configurations on a weekly basis to reduce the side effects of the system rollback.
    • You can partially restore system configuration now.
  20. VMware vSphere 5.0 VAAI Support:
    Atomic Test & Set (ATS) supported to eliminate LUN-level locking based on SCSI reservations and improve data access performance.

  21. DHCP Server: (Available in Package Center)

    • DHCP Server supplies IP address to other computers over TCP/IP networks on multiple subnets. It can also be individually turned on/off for each network interface.
  22. SMART Test Scheduler:
    SMART test by schedule is now available to scan HDD for potential risks on a timely basis to prevent data crisis.

  23. Smart Remap:
    A new mechanism is in place to protect the degraded RAID from being crashed during the repairing process due to bad sectors.
  24. Improved NTFS Performance:
    data transfer rate between NTFS external disks and DiskStation can be 3.7 times as fast as DSM 3.2. The speed test result of writing data to the eSATA drive connected to DiskStation with NTFS partition is listed below:

    DiskStation / DSM version DSM 3.2 DSM 4.0
    DS1512+ 40.88 MB/s 110.66 MB/s
    DS212+ 15.36 MB/s 56.98 MB/s
  25. Improved Server Response Time (only available on DiskStation with 5 or more bays):
    Now it only takes 7 seconds for server to respond from HDD hibernation.

  26. FIPS 140-2 Compliant:
    Synology implementation of AES encryption has been validated by Crytographic Algorithm Validation Program (CAVP)
  27. Apple Routers Support:
    EZ-Internet now supports Apple routers - Airport Express, Airport Extreme, and Time Capsule by integrating NAT-PMP. Mac users can now publish their Synology DiskStation onto Internet with just a few clicks. Please refer here for supported router list.
  28. ARM Performance Improvements over iSCSI:
    iSCSI data transfer rate on ARM-based DiskStation with RAID 1 disk groups or data volumes is significantly improved by a maximum of 21%. The test result of iSCSI writing is listed below:

    DiskStation / DSM version DSM 3.2 DSM 4.0
    DS212+ 85.94MB/s 96.55MB/s
    DS212 78.43MB/s 95.94MB/s
  29. DSM mobile Enhancements:
    Auto Block, User Groups management, Mounting/unmounting encrypted shared folders, running/stopping packages, iSCSI LUN monitor, and the complete resource monitor are now added.

  30. iPhone/iPad Apps Upgrade: (Available on Apple® App Store)

    • DS photo+: Supported photos and videos displayed on Apple® TV.
    • DS file: iCloud and QuickConnect is now integrated.
    • DS audio: The recently added albums are now available displayed as a playlist.
    • Push Notification is now implemented on DS finder and DS cam.
    • Login credential encryption will be supported even with HTTP connection. Your sensitive username and password data will be securely transferred when you use DS cam, DS audio and DS finder with DSM 4.0.
  31. Android Tablet Support: (Available on Android® Market)

    • Android Tablet support: DS file and DS photo+ are officially supported for devices with Android 3.1 or later. The user interface has been resigned for Android tablets.
    • Login credential encryption will be supported even with HTTP connection. Your sensitive username and password data will be securely transferred when you use DS cam, DS audio and DS finder with DSM 4.0.
    • Push Notification is now implemented on DS finder for Android.
  32. Windows Phone Support: (Coming soon on Windows Phone® Marketplace)

    • DS finder will soon be available for your Windows Phone for you to monitor your DiskStation and receive important system notification instantly.
  33. Kindle Fire support: (Available on Amazon® App Store): DS photo+, DS audio, DS cam, DS file and DS finder are now supported on Amazon Kindle Fire.

  34. The following packages are updated to support DSM 4.0: TimeBackup, VPN Server, Syslog Server, Directory Server, and HiDrive Backup.
  35. Upgraded Apache web server to 2.2.22, php module to 5.3.10 and openssl to 1.0.0g.
  36. Added 93 new wireless dongles including ABOCOM, ASUS, D-LINK and EDIMAX. For the complete supported list, please see here.

Limitation & Known Issues

  1. LUN backup does not support destinations in FAT, NTFS file system, or encrypted shared folder.

Special Notes

  1. Browser Support:

    • Internet Explorer 8, 9
    • Google Chrome
    • Firefox 3.6, 4-10 or later
    • Safari 5 (Mac)
  2. VPN client supports 1 active connection and up to 16 profiles.

  3. QuickConnect supports 2 active connections for each DiskStation.
  4. For CMS deployment on Surveillance Station, the DSM versions of Master and Slave must both be 4.0 backward for compatibility.
  5. Remote Folder and Virtual Drive cannot be mounted on subfolders in user home that contains “Cloud Station” in its folder’s name.

Version: 3.2-1955


(2011-11-30)

Major Highlights

  1. Synology® ARM® Performance Acceleration Technology: Synology DiskStation now enters the next level in terms of performance. Data transfer rate on ARM-based DiskStation is significantly improved by a maximum of 18.8%. The test results are provided below:
**Model** **Max. Upload Improvement**
DS111 18.86%
DS110j 13.10%
DS212+ 16.78%
DS212 17.51%
DS212j 11.87%
DS411 14.37%
DS411j 9.04%
DS411slim 13.32%
RS812 11.19%
RS212 17.20%
Please refer to the [performance page](products/performance) for the details. Synology® ARM® Performance Acceleration Technology makes file transfer faster for the following models: * 12-series: DS212, DS212+, DS212j, RS212, RS812 * 11-series: RS411, DS411, DS411j, DS411slim, DS211+, DS211, DS211j, DS111 * 10-series: DS410j, DS210j, DS110j * 9-series: RS409, DS409, DS209, DS109, DS409slim

Improvements

  1. Enhanced the compatibility of iSCSI targets with VMware ESXi servers.
  2. Optimized system memory usage during storage and volume management.
  3. Enhanced Surveillance Station timeline playback in countries with daylight saving time.
  4. Enhanced Photo Station Blog draft saving mechanism.
  5. Other minor bug fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.2-1944


(2011-10-25)

Change log:

  1. Added 24 new IP camera models including Axis, D-Link, Forenix, Instar, Zavio, Foscam and Wision. For the complete supported camera list, please see here.
  2. Added an option in Photo Station 5 to enable/disable the photo sharing feature to social networks.
  3. Upgraded Apache server to 2.2.21.
  4. Enhanced the compatibility with non-English Windows ADS.
  5. Enhanced the compatibility with 3TB hard drives.
  6. Enhanced the security, speed, and stability of Photo Station 5.
  7. Enhanced the compatibility of Photo Station 5 with new Facebook APIs.
  8. Enhanced the compatibility of Google docs viewer in File Browser.
  9. Enhanced the compatibility of File Browser and File Station with Firefox 7.
  10. Enhanced the compatibility of CalDAV and AirPlay with iOS 5.
  11. Enhanced the stability of iTunes server.
  12. Enhanced the compatibility of Media Server with LG BD player, Samsung TV, and SONY BRAVIA TV.
  13. Enhanced the compatibility of Surveillance Station with Vivotek, ACTi, IQeye, TP-Link, Axis, Basler, HikVsion, Y-cam, Airlive and Compro cameras.
  14. Optimized system memory management when Surveillance Station 5 is running multiple channel live-views.
  15. Fixed an issue where you cannot log in Personal Photo Station with DS photo+ for Android mobile models.
  16. Fixed an issue about schedule recording for Surveillance Station 5.
  17. Other minor bug fixes.

Limitation & Known Issues

  1. To connect to CalDAV server on DiskStation with an iOS 5 device, change the setting to "Sync All Events" in "Settings > Mail, Contact, Calendars" on your iOS 5 device.
  2. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.2-1922


(2011-09-06)
  • DSM 3.2 can only be applied to DiskStation with DSM 2.3 and onward. Download DSM 2.3 at: Americas, Asia, Europe
  • Not all of the features of DSM 3.2 are available to all models due to hardware limitation; please see below for more information. If you would like to experience the full potential of DSM 3.2 or the future coming release of the DSM operating system, please consider upgrading the DiskStation to a newer model.

New Features

  1. Directory Server: Directory Server is now available as a package without additional cost, providing an integrated account management service for DiskStations, Linux, and Mac clients.
  2. LDAP Client: LDAP client is now built in DSM to help IT personnel integrate LDAP users and groups without manually recreating user accounts all over again.
  3. Remote Folder: Remote Folder is now added to centralize many distributed CIFS file shares in your local network, that will help you navigate the network shares without having to know the physical server names or shared folders hosting the data.
  4. Virtual Drive: Virtual Drive is now newly added to help you mount ISO files from your hard disk or from a remote server and used in the same manner as placing them into a physical CD/DVD/Blu-ray drive.
  5. Syslog Server:
    • Syslog Server is now available as a package, which offers a centralized log management solution for storing all your logs from different servers/switches/routers or any syslog-enabled device over the network
    • Email notification system will keep you on track of all your servers’ status regardless of where you are.
  6. Mac OS X Lion Support:
    • The Netatalk package has been upgraded to 2.2 to enhance the compatibility with Mac file service (AFP) in the latest Mac OS X Lion.
    • Time Machine in Mac OS X Lion is tested and proven to be compatible.
  7. Photo Station 5:
    • The new Photo Station is redesigned to provide an easy-to-use and elegant user interface.
    • The new photo upload wizard has been reinvented to provide the option to create thumbnails which makes it even faster to display the uploaded pictures on Photo Station.
    • Facebook is now integrated to make it easier to share photos with your favorite social network website. One-way album synchronization is provided for you to upload photos from Photo Station to Facebook automatically.
    • Pixlr and Picnik are now integrated, which are powerful online image service that will enable admin to directly edit the pictures from the DiskStation on the fly without installing additional software.
    • Password protected album is now supported to help you share private albums with your friends more efficient without creating new accounts for them.
    • Personalized theme is available for you to customize your favorite theme.
    • Full-screen mode is now available in slideshow with brand new interface.
    • The user account in Photo Station can now be either set to synchronize with DSM’s or to the existing embedded Photo Station user accounts.
    • The blog editor now supports Google Chrome and comes with more features.
  8. Google Cloud Print: Google Cloud Print service is now supported to help you print to your home/office printers from any computer or smartphone without driver installation, regardless of where you are. For the complete list of supported printers, please see here.
  9. UPnP Router Support:
    • Automatic router discovery is now supported in EZ-Internet with UPnP-enabled routers, with just one-click to set up your router.
    • More than 58 routers from ASUS, Belkin, Cisco, TP-Link, SITECOM, and other brands are now supported. For the complete list of supported routers, please see here.
  10. DSM mobile:
    • DSM mobile, a dedicated Web-App for iOS and Android devices, is now introduced to provide easy DiskStation management from mobile devices.
    • You can now easily add and edit users, groups, shared folders or even access privileges right from your mobile device.
    • It is fast and intuitive to enable or disable services, view system information and monitor resource with DSM mobile using mobile devices.
  11. CalDAV Server: CalDAV is now supported to turn your DiskStation into a calendar server. All your CalDAV clients, including iCal in Mac OS X, iPhone, iPad, or Mozilla Sunbird will be synchronized without efforts.
  12. Package Center:
    • The brand new Package Center is a centralized place where you can find and install useful packages for your DiskStation.
    • Email notification is available as an option for new package updates.
    • The new visual style and improved user interface makes it simple and easy to identify, install and check updates online.
  13. Download Station Enhancements:
    • More file sharing and online video services with free or premium accounts are now supported, the supported services can also be manually updated online.
    • Download Station now supports drag-n-drop for uploading BT from Windows desktop.
    • BT now support single-port forwarding.
  14. Audio Station Enhancements:
    • FLAC music streaming is now possible with Airplay speakers.
    • A switch is now added to help you enable/disable auto UPnP renderer discovery for better performance in Audio Station.
  15. File Browser Enhancements:
    • Now you may upload files to DiskStation by simply drag-n-drop the selected files from Windows/Mac/Linux Desktop to File Browser.
    • Pixlr Editor, Express, and Picnik are now integrated, which are powerful online image service that will enable you to directly edit the pictures from your DiskStation on the fly without installing additional software.
    • You may now preview your favorite movies in the preferred aspect ratio.
  16. Surveillance Station 5 Enhancements:
    • Safari 5.1 (32-bit) in Mac OS is now supported in Surveillance Station, Mac users can now enjoy using Surveillance Station with same experience as of Windows environment.
    • All features can now work seamlessly across Internet Explorer, Chrome, and Firefox on Windows.
    • More than 90 IP camera models from Canon, Basler, Sony, Vivotek, Zavio, Hunt, Alinking, FlexWatch, Intellinet, InStar, Foscam, SMC, and Brickcom are newly supported. For the complete list of supported cameras, please see here.
    • The compatibility with ONVIF cameras from Sony, Axis, Vivotek, Panasonic, Hikvision and Lilin are now greatly enhanced.
    • 49 channels live view is now available for monitoring more cameras at once.
    • SMS/Email notification can now be scheduled by individual camera or event type simultaneously.
    • Camera Group is now added to help IT personnel efficiently apply settings to live view, event playback, or privileges in a large camera deployment.
    • Settings for multiple cameras with the same model can now be adjusted all at once using batch editing function; this is useful in a large camera deployment.
    • Privilege profile function is now added to help IT personnel quickly assign or modify multiple users’ camera privileges.
    • Surveillance Station can now conduct motion detection with MPEG4 and H.264 as well, you no longer need a camera with the built-in motion detection feature.
    • Single camera stream is now supported to reduce required bandwidth by half, freeing resource to other network applications and reduce camera loading for improved system stability.
    • Cameras of all codec types (MJPEG/MPEG4/H.264) can now use the same default DSM port 5000, simplifying the setup process for remote monitoring.
  17. iPhone/iPad App:
    • DS photo+ is now enhanced with multiple photos upload feature and the support of password protected album. Video streaming is also supported on Apple TV via AirPlay.
    • DS audio is now enhanced with Internet radio feature.
    • DS cam is now enhanced with the ability to live view single camera in MPEG4 and H.264 codec.
  18. Android App:
    • A new Android app, DS finder, will soon available for free download. DS finder helps you to easily monitor the status of your DiskStation while you are on the go, you can even start up the DiskStation remotely. MIS can also use it for locating the DiskStation in the massive server room with the built-in buzzer; In case of troubleshooting, MIS may also email out the DiskStation’s network/storage info directly from their Android phones.
    • DS cam is now enhanced with the ability to live view single camera in MPEG4 and H.264 codec.
    • DS audio is now enhanced with Internet radio feature.
  19. Media Server Enhancements:
    • You may now view the current thumbnail creation progress in control panel, and able to set the quality of thumbnails or even pause it for up to 6 hours and resume it later automatically.
    • Customized indexed folder is now supported to help you select which folders also containing multimedia to be indexed in media server.
    • You can now choose a device profile for your DLNA device to enhance the compatibility with your DiskStation.
  20. Synology Hybrid RAID (SHR) Enhancements: SHR volume can now be ready to use within minutes upon creation, 95% faster comparing to traditional SHR volume creation.

    DiskStation/DSM version DSM 3.1 DSM 3.2
    DS211+ (2TB SHR volume) 6 hrs 41 min 9 min
    DS1010+ (8TB SHR volume) 9 hrs 36 min 28 min
  21. VPN Server Enhancements: Privilege control is now integrated to allow only the selected users to connect DiskStation with VPN clients.

  22. Shared Folder Sync Enhancements: Encrypted shared folder is now supported for maximum security.
  23. WordPress Package: WordPress Package is now available to help you to install WordPress on your DiskStation with just a few clicks.
  24. Management Enhancements:
    • Every DSM user may now choose their preferred language regardless of the default browser setting.
    • You will stay log-in until you log out DSM manually.
    • IT personnel may now easily view/manage all the DSM services from System Information.

Special Notes

  1. Browser Support:
    • Chrome
    • Firefox
    • Safari (Mac) 4, 5
    • Internet Explorer 7, 8, 9
  2. Remote Folder can support up to 100 mount points (network shared folders). Remote Folder currently supports CIFS only.
  3. Remote Folder currently supports CIFS only.
  4. Non-admin users can only mount Remote Folder under their “User Home”.
  5. Virtual Drive can support up to 16 mount points (ISO images).
  6. Virtual Drive supports ISO 9660 and UDF.
  7. The mount point for both Virtual Drive and Remote Server has to be an empty shared folder.
  8. Synology Hybrid RAID (SHR) enhancement only applies to SHR volume with two HDDs or more.
  9. Multiple camera view on DS cam does not support MPEG4/H.264.

Limitation & Known Issues

  1. LDAP client is currently not compatible with Windows domain, Microsoft exchange server, and IBM Lotus Domino LDAP Server.
  2. Remote Folder is currently not compatible with Mac Samba Server as a target.
  3. The password for the guest account in DiskStation has to be disabled if you wish connect the DiskStation from Mac OS X 10.7 with a guest account via samba.
  4. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.1-1748


(2011-07-01)

Change log

  1. Fixed an issue where expanding the volume size may result in error.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.1-1742


(2011-06-08)

New Features

  1. AirPlay Support: AirPlay support in Audio Station's Media Renderer mode allows you to stream music from your DiskStation to any AirPlay device which could be either a TV or stereo set in your living room.
  2. iOS Apps:
    • DS audio is now enhanced with media renderer support helps you remotely control the music playback from DiskStation to Airplay speakers or any compatible media renderer.
    • DS file is now enhanced with iPad-specific UI design.
    • DS photo+ is now enhanced with AirPrint support to print photos wirelessly.
  3. Android Apps: DS file allows you who own Android powered mobile devices to browse the files on your DiskStation via WebDAV, and download/upload files from/to your DiskStation. You can also manage – copy, move, rename or delete - your files while you are away from your office or home as long as the Internet connection is available, off-line browsing for your favorites is also supported in case of the unstable wireless connection.
  4. VPN Center Package: VPN Center is an add-on package that enables your DiskStation to become a VPN (virtual private network) server, allows DSM users over the Internet to access resources shared within DiskStation's local area network. VPN Center supports both PPTP and OpenVPN service.

Change log

  1. Enhanced the stability with Backup and Restore application: Shared Folder Sync, Amazon S3, local and network backup.
  2. Added new log information for rsync file transfer log.
  3. Enhanced the stability with rsync backup function.
  4. Enhanced the stability with AFP file sharing protocol.
  5. Enhanced the stability with Surveillance Station.
  6. Enhanced the stability with wireless connection.
  7. Minor bug fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.1-1613


(2011-04-11)

Change log

  1. Enhanced the stability with Shared Folder Sync application.
  2. Enhanced the stability with Backup and Restore application.
  3. Other minor bug fixes.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.1-1605


(2011-03-24)

Change log

  1. Enhanced the compatibility with Internet Explorer 9.
  2. Added a new option in backup and restore application to allow you to decide whether you would like to reduce the backup time by skipping metadata backup.
  3. Added a new option in backup and restore application to allow you manually designated the rsync mode.
  4. Support HTTPS / FTP / Magnet URLs in search function in Download Station.
  5. Enhanced the compatibility between File Browser and Java version 6 update 24.
  6. Enhanced the compatibility with DS file.
  7. Enhanced the handling of RSS link in HTTPS and FTP in Download Station.
  8. Enhanced the stability when backing up the encrypted share.
  9. Enhanced the samba attributes’ handling with hidden and read-only files in AFP.
  10. Fixed a calendar issue in Timeline in Surveillance Station.
  11. Fixed an issue where you can remove the comments without logging in to Photo Station.
  12. Fixed an issue where Download Station will lose the manually added BT trackers after restarting the DiskStation.

Limitation & Known Issues

  1. The destination server (DiskStation) in network backup has to run DSM 2.1 or onward.
  2. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 3.1-1594


(2011-03-03)
  • DSM 3.1 can only be applied to DiskStation with DSM 2.1 and onward. Download DSM 2.2-0942 at: Americas, Asia, Europe
  • Not all of the features of DSM 3.1 are available to all models due to hardware limitation; please see below for more information. If you would like to experience the full potential of DSM 3.1 or the future coming release of the DSM operating system, please consider upgrading the DiskStation to a newer model.

New Features

  1. Storage Manager

    • New and improved Storage Manager offers the flexibility of creating multiple volumes on single RAID, which can be a pooled space of one or multiple hard drives. Storage Manager allows you to manage your storage in a more flexible and efficient way across all available hard drives.
    • Create and expand the volume size at your wish as your application needs change without disruption.
    • Synology Hybrid RAID now offers two disks fault tolerance to ensure your data is always safe with your DiskStation.
    • iSNS support provides easy management and access for your iSCSI targets.
  2. Shared Folder Sync: Shared Folder Sync allows you easily sync the shared folders from one DiskStation to another. The sync can be triggered by the modification on the files, or you can schedule the sync task according to needs, and retain the mirror shared folders on the destination DiskStation.

  3. File Browser Enhancements:

    • You can now directly play the supported video via File Browser from any web browser as long as Internet connection is available.
    • You can now directly preview the supported photos via File Browser and set it as the desktop wallpaper at the same time.
    • You can now directly open and save the supported documents in Google doc.
    • You can now directly launch the Audio Station to play the music files in “music” share from the mouse right-click menu.
    • Advanced search is now available to offer you numerous options for making your searches more precise and getting more useful results.
    • The option to enable file indexing function is also available to increase the efficiency to return the search results.
  4. Multifunction Printer Support (available for Windows environment): Multifunction printer is now supported to allow the print/fax/scan functions on your multifunction printer to be shared among family members or colleagues over the same network. For the complete list of supported printers, please see here.

  5. AirPrint Support: AirPrint is now supported to allow you wirelessly print photos, email, web pages, and documents from your iPad/iPhone to any AirPrint-enabled printer connected to DiskStation. For the complete list of supported printers, please see here.
  6. Backup and Restore Enhancements:

    • Back up the same share to multiple destinations is now supported to allow you to keep multiple copies of the same share at different locations.
    • Windows ACL is now supported to allow you to restore the data alone with its complex privilege settings.
    • The DiskStation at backup destination can now be accessed by authorized users, your branch offices may now back up their files to their corporate center by using the private user account.
  7. Auto DSM Update: Auto DSM update is newly added to automatically check the latest DSM version available for your DiskStation, and allows you always update to the latest operating system upon your approval.

  8. Management Enhancements:

    • Administrator group is now support to allow multiple administrators help you manage the fast growing storage in your network, as well as the ease of managing different MIS accounts.
    • Password strength can now be applied to all user accounts to help protect your data, and personal information to provide a more secure environment.
    • Smart System Migration allows you to easily migrate your old hard drives from one DiskStation to another DiskStation with the same model in case of hardware failure.
    • Network user interface has been enhanced to provide easy management for multi-LAN.
  9. Mail Server: Mail server is now built inside the operating system, DiskStation Manager 3.1, providing POP3/IMAP and SMTP services, you may now manage your emails on your favorite email clients such as Microsoft Outlook or Mac’s Mail.

  10. Mail Station 2 Package:

    • The brand new Mail Station 2 package provides you the web mail service which allows your email communication to be more intuitive, efficient, and useful.
    • Multiple email accounts fetching is now supported to allow you to store all your emails at one central location.
    • Multiple SMTP servers are supported to allow you to choose different email account to be sent from in order to protect your privacy.
    • Personal contacts are now included to provide you with easy contact management.
  11. Download Station 3:

    • The new Download Station is redesigned to provide an easy-to-use and intuitive user interface.
    • BT search is now available with the new Download Station, you may now directly make your searches from your favorite download sources in Download Station and start downloading away.
    • BT files preview is now added to allow you to filter the files you want to download at the BT startup.
    • eMule download service is now available for non-admin users, and allows multi-users to own their personal download tasks.
    • RSS support is newly added to keep track of when your favorite site has been updated with new content and download it automatically.
    • A notification will be sent to DSM desktop when a download task has been completed.
    • A new button is added to allow you to start/resume or stop all your download tasks.
  12. Audio Station 3:

    • The new Audio Station is redesigned to provide an easy-to-use experience.
    • Mini player mode is now available with the new Audio Station, it offers only the core playback functions and nothing else. It allows you to manage your files or download tasks and still able to gain control of your Audio Station at the same time.
    • The equalizer function is available with the USB mode in Audio Station. With just a few simple clicks, you can use the equalizer in Audio Station to customize your listening experience.
    • The personal playlist is now available to your family members and your friends who have access to your Audio Station. They can easily keep their favorite music playlist of their own on your Audio Station without sharing it to anyone else.
    • ID3 tag editor is now added to allow you to modify one or more songs’ information at the same time, such as artist, album name, or title of the song.
  13. Photo Station Enhancements:

    • DiskStation is now open to host multiple Photo Stations. Your family members or closed friends may host their own Photo Station on your DiskStation and share it with their own group of friends.
    • Social network is now featured in Photo Station, you can easily share the link of your photo album onto your Facebook, Twitter, or Plurk.
    • Now you can manage your videos or photos directly in Photo Station. You can move or remove the photos/videos immediately in Photo Station user interface, and able to preview them right away.
  14. Surveillance Station Enhancements:

    • 89 more IP camera models from Panasonic, Arecont, ACTi, Vivotek, Linksys, Zavio, Flexwatch, Messoa and Y-cam are newly supported. For the complete list of supported IP cameras, please see here.
    • Smart Search now features general motion, foreign object, missing object, camera occlusion, and focus lost to make your video searches more precise and getting more useful results. (Available on Internet Explorer only)
    • Image enhancement control is added to the recorded events to adjust various visual elements for more customized viewing experience. (Available on Internet Explorer only)
    • Surveillance Station is now supported in Internet Explorer, Firefox, and Chrome to provide more interoperability with popular platforms on the market to meet the needs of diverse users.
    • Import and export IP camera configuration is now supported for easy setup migration, as well as simple maintenance.
    • HTTPS is now supported to provide a more secure way to live view your IP cameras while you are away. (Available on Internet Explorer only)
    • Live view can now be viewed with the original aspect ratio which reduces image distortion and maintains intended quality.
    • Customizable landing page location allows all Surveillance Station spectators and managers to choose the default page when they login.
  15. iPhone App:

    • A new iPhone app, DS file, is now available on Apple® App Store for free download. DS file allows you who own an iPhone/iPod touch to browse the files on your DiskStation via WebDAV, and download/upload files from/to your DiskStation. You can also manage – copy, move, rename or delete - your files while you are away from your office or home as long as the Internet connection is available, off-line browsing for your favorites is also supported in case of the unstable wireless connection.
  16. iPad App:

    • DS photo+ is now enhanced with HTTPS support and the new and improved user interface has utilized the large screen on iPad to provide a more intuitive hands-on experience.
    • DS audio is now enhanced with HTTPS support and the new and improved user interface has utilized the large screen on iPad to provide the 100% iPad user experience. It can now also stream music directly to Apple TV in the same local network.
    • DS cam's user interface has been completely redesigned for iPad. Information display is now more intuitive via menu style controls, for viewing while browsing at the same time. More advanced filtering modes are also available for locating the events more efficiently.
  17. EZ-Internet Router Supporti: More than 40 router models from Netgear, Buffalo, TP-Link, Trendnet, and other brands are now supported. For the complete list of supported routers, please see here.

  18. Samba/CIFS Access Log: The access log for Windows file transfer is now added to allow you to monitor the history of file transferring in Samba/CIFS.
  19. The NUT package has been upgraded to 2.6.0 to provide more support for UPS. For the complete list of supported UPS, please see here.

New Features on Synology Assistant 3.1-1593

  1. Background mode is now supported to allow you to easily manage the connection status of your multifunction printer.

Change log on Data Replicator 3 (v147)

  1. Enhance the connection stability between the client computer and DiskStation.

(i) Some routers and ISPs may not be supported. Check the supported router list in the Special Notes.

Special Notes

  1. Browser Support:

    • Chrome 8
    • Firefox 3.6
    • Safari 4, 5 (Mac)
    • Internet Explorer 7, 8
  2. The encrypted share is not supported in the shared folder sync function.

  3. The maximum number of Share Folder Sync task for different DiskStations is set as below:

    • 8 Sync Tasks: DS1511+, DS411+, DS1010+, RS810+, RS810RP+, DS710+
    • 4 Sync Tasks: DS211+, DS210+, DS110+, DS509+, RS409+, RS409RP+, DS409+, DS209+II, DS209+, DS109+
    • 2 Sync Tasks: RS411, DS411j, DS411slim, DS211, DS211j, DS111, DS410, DS410j, DS210j, DS110j, RS409, DS409, DS209, DS109, DS409slim, RS408, RS408-RP, DS508, DS408
  4. The maximum volumes can be created on DiskStation is set as below:

    • 512 Volumes: DS1511+, DS411+, DS1010+, RS810+, RS810RP+
    • 256 Volumes: DS710+, DS509+, RS409+, RS409RP+
    • 128 Volumes: DS211+, DS410, DS210+, DS409+, DS209+II, DS209+
    • 64 Volumes: RS411, DS411slim, DS211, RS409, DS409, DS209
    • 32 Volumes: DS411j, DS211j, DS410j, DS210j, DS409slim
    • 16 Volumes: DS209j, and all other x07-series and x08-series DiskStations with 2-bays or more.
  5. Telnet/SSH services can only be accessed by the “admin” account.

  6. To enhance your video playing experience in File Browser, it is recommended to install VLC player on your computer and the VLC browser plug-in. However, please note File browser will not enable the VLC plug-in in Safari (Mac version) and Chrome (Windows version).
  7. After upgrading to DSM 3.1, it is required to upgrade the Mail Station to Mail Station 2 package.
  8. After upgrading to DSM 3.1, the system will automatically generate one 1280x1280 thumbnail for all photos in “photo” shared folder. This thumbnail is for iPad review usage.
  9. After upgrading to DSM 3.1, the system will automatically rename your user group to “administrators1” if “administrators” is found.
  10. After upgrading to DSM 3.1, all multimedia files in “photo”, “music” and “video” share will be re-indexed.
  11. After upgrading to DSM 3.1, all your active download tasks will be re-verified (hash check).

Limitation & Known Issues

  • The maximum volume size for DS509+, RS409+, and RS409RP+ with expansion units is 16TB due to 32bit operating system.

Version: 3.0-1354


(2010-10-25)

Change log

  1. Windows roaming user profiles is now supported to allow users to have a consistent desktop experience from any PC in a Windows environment.
  2. Surveillance Station supports 99 more IP camera models from Sony, Panasonic, Messoa, and other brands are now supported. View the complete list here.
  3. Support individual partition formatting on external hard drives.
  4. Enhanced the compatibility with CS5 Photoshop when saving the files via samba.
  5. PHP is upgraded to 5.3.3.
  6. Fixed the issue of uploaded files inheriting the ACL privilege from its parent folder.
  7. Fixed a potential memory issue may cause the system to halt.

Limitation & Known Issues

Version: 3.0-1337


(2010-09-21)

Change log

  • Fixed the abnormal rebooting issue on DSM 3.0-1334.

Limitation & Known Issues

Version: 3.0-1334


(2010-09-20)
  • DSM 3.0 can only be applied to DiskStation with DSM 2.1 and onward. Download DSM 2.2-0942 at: Americas, Asia, Europe
  • Not all of the features of DSM 3.0 are available to all models due to hardware limitation; please see below for more information. If you would like to experience the full potential of DSM 3.0 or the future coming release of the DSM operating system, please consider upgrading the DiskStation to a newer model.

New Features

  1. Personalized Web Desktop:

    • The new DiskStation Manager Desktop is redesigned to provide an easy-to-use and intuitive user interface. The personal Desktop keeps users' applications and functions easily accessible. Besides, it's customizable so that users can change the wallpaper and background color on their own preference.
    • Login style is introduced to provide users the alternatives with different login screens and the convenience of adding users' own recognition.
    • Main menu is comprised of control panel and all applications, from which users can freely drag the icons to Desktop, or remove it at a later time. The application icons in main menu are available to users at all times.
    • Control panel consolidates all system settings where users can easily modify both software and hardware settings. Home button on the navigation bar provides instant access back to the homepage of control panel.
    • Help browser is added to provide direct access to a comprehensive library of all functions’ introduction and instructions. Home button on the navigation bar provides instant access back to the homepage of Help.
    • Search field on both task bar and navigation bar on Control Panel helps users to look through applications or Help at the same time.
    • Search field is added to task bar on User, Group, and Domain Privileges to assist admin locating the user accounts and group with ease and efficiency.
    • Uploading queue on task bar provides quick information of the latest uploading tasks.
    • File task monitor allows users to check the progress of all uploading and background tasks.
    • System Information and Resource Monitor help users to track the health status of their DiskStations.
    • Storage Manager is added to help users easily organize their hard drives and volumes, as well as iSCSI LUN and target.
    • Backup and Restore is added to provide centralized management for all your ongoing backup tasks.
    • Package Management allows users to quickly enable or disable any service provided by quick install applications packed and tested by Synology.
    • Notification window on task bar alerts users when a background task is completed.
    • Show Desktop button allow users to minimize all application windows to the task bar, and provides instant access to restore all running applications.
  2. Multitasking: Users can run multiple applications simultaneously on Desktop and switch between them instantly. Multitasking support saves users from the constant wait of refreshing the whole webpage. All running applications are placed on the task bar.

  3. File Browser:

    • File Browser provides easy file navigation on Desktop.
    • Drag-and-drop between two different file browsers to copy or move files is now supported and provides easy file management.
    • File uploading in the background is supported therefore allows users to switch to another application without interrupting.
    • File browser now replaces File Station of the default management UI port. File Station on the customized port remains the same.
  4. EXT4:

    • EXT4 file system is now supported to allow volumes with sizes up to 1 Exabyte and files with sizes up to 16 Terabytes.
    • The number of subdirectories that a share folder can contain is up to 64,000.
  5. Synology Time Backup Synology Time Backup package is an add-on to Synology® DSM 3.0 or later. It allows users to have a quick and flexible way to back up and restore shared folders on your DiskStation with multiple versions. Click here to download Synology Time Backup.

  6. Linux Kernel: Linux Kernel is now upgraded to 2.6.32.
  7. Windows Access Control List:

    • Windows Access Control List (ACL) is now supported to enhance data security and the compatibility with Windows®. Users can easily set up the Windows ACL privileges on share folders and files on DiskStation in a Windows environment.
    • Allow access permissions to be granted or denied for every file object, providing much finer-grained access control and a greater degree of selectivity.
    • 13 security attributes are supported to offer a variety of security levels.
    • Windows ACL is only supported on EXT4 file system.
  8. iSCSI Enhancements:

    • LUN mapping support allows multiple LUNs to be mapped to each iSCSI Target.
    • iSCSI Target masking support provides access control for each iSCSI initiators.
    • Multiple iSCSI Connections per iSCSI Session (MC/S) support allows iSCSI initiator to use multiple connections for storing data to or fetching data from a Synology DiskStation to prevent single connection failure, it also provides load balancing.
    • SPC-3 PR module is implemented to provide failover clustering support in Microsoft® Windows Server 2008.
  9. Surveillance Station 5:

    • 254 more IP camera models from Sanyo, Toshiba, Cisco, Axis, Panasonic, AirLive, Messoa, TP-Link, Compro, Etrovision, and other brands are now supported. View the complete list here.
    • ONVIF and PSIA support provides the compatibility between Surveillance Station 5 and ONVIF and PSIA compliant IP cameras.
    • The whole user interface is revamped to provide easy navigation and easy-to-use user experience. Larger viewable area is available in Live View and Timeline.
    • 25 channels & 36 channels layout are now added in Live View to offer users who utilize the centralized management on Surveillance Station with more options.
    • A custom login port is added to provide users with independent access to Surveillance Station without logging into DSM.
    • Non-sync mode in Timeline event player allows users to view events from up to 4 IP cameras simultaneously in a more efficient way.
    • Time slicing is now added to Event Player to split the playing event into four equal-length clips to help users quickly glance through the whole event.
    • Guard wizard is added to guide users through the process of setting up the patrol and Guard tasks with the IP cameras.
    • Event filter is enhanced with new layout to help users locate the events within a timely fashion.
    • Log filter is now added to help users quickly spot the log event they are looking for.
  10. Audio Station Enhancements:

    • Music playback for audio files in AAC, APE, AIFF, FLAC, WMA, and OGG formats is now available in streaming mode with WAV transcoders.
  11. File Station Enhancements:

    • File operations including move, copy, and delete in the background is supported to allow users to continue their work without waiting.
    • Upload files with size over 4GB is now supported with Java Runtime Environment (JRE) 5 or onward.
  12. Photo Station Enhancement: Google map function is enhanced, allowing browsing multiple locations where all the photos are taken within the same album if the geo-information is available.

  13. iPhone App (Free download on Apple®App Store):

    • DS photo is enhanced and renamed to DS photo+. It allows users to easily browse through photos and videos on Photo Station with the thumbnail slider on the go, including interactive with friends through the photo or video comments in real time. Users can easily find out the location where the photo is taken with the built-in Google map, and they can download and store the pictures onto their iPhone/iPod touch and enjoy the flashbacks anytime anywhere. In addition, users can upload photos and videos from their iPhone/iPod touch straight to Photo Station with DS photo+.
    • DS audio is enhanced with the Remote control feature which provides intuitive interface to browse through Audio Station music tank, it allows users to remote control Audio Station music playing on the attached speakers conveniently. Users can now browse music by folders and genres, then able to play music in the background in iOS 4.
    • DS cam now supports multitasking in Apple iOS 4 and H.264 in event playback.
  14. Android Phone Applications (Free download on Google® Android Market):

    • DS cam allows users who own an Android phone to live view IP cameras managed on Surveillance Station, take snapshots, and view recorded events stored on their Surveillance Station whenever network connection is available.
    • DS photo+ allows users who own an Android phone to easily browse through photos and videos on Photo Station with the thumbnail slider on the go, including interactive with friends through the photo or video comments in real time. Users can easily find out the location where the photo is taken with the built-in Google map, and they can download and store the pictures onto their Android phones and enjoy the flashbacks anytime anywhere. In addition, users can upload photos and videos from their Android phone straight to Photo Station with DS photo+.
    • DS audio allows users who own an Android phone to stream their own music stored on DiskStation on the go. Besides, the Remote control feature provides intuitive interface to browse through Audio Station music tank, it allows users to remote control Audio Station music playing on the attached speakers conveniently.
  15. WebDAV: Web-based Distribution Authoring and Versioning is added to allow users to manage and edit files on DiskStation remotely with the support of content metadata and overwrite protection. It helps a disperse group of users around the world work on the same project as a team, which will greatly increase the effectiveness of group collaboration.

  16. IPv6:

    • Internet Protocol version 6 (IPv6) and IPv4 networks are now both supported.
    • IPv6 Tunnel is supported to encapsulate IPv6 packets for delivery across an IPv4 infrastructure.
  17. PHP Enhancements:

    • PHP management is now enhanced to allow users easily enable or disable PHP module individually.
    • PHP modules added: eaccelerator, mcrypt, LDAP, and intl.
  18. Power Schedule Enhancement: Multiple startup and shutdown schedule is now available with the new flexible power schedule design.

  19. EZ-Internet Router Support1: More than 60 router models from Netgear, Buffalo, TP-Link, DrayTek, and other brands are now supported. View the complete list here.
  20. Enhanced NFS Performance: The NFS upload performance is improved by a maximum of 43.14%2:. The test results are listed below:

    Model DS710+ DS409+ DS410j
    Max. Upload Improvement 43.14% 10.38% 24.02%
  21. PHP Upgrade: PHP is upgraded to 5.3.2.

  22. openSSL Upgrade: openSSL is upgraded to 1.0.0.

Data Replicator 3 (v.145) Enhancements:

  1. (794) Enhanced Microsoft Office 2007 files sync backup.
  2. (797) Enhanced sync backup option.
  3. (796) Enhanced immediate backup functionality.
  4. (792) Enhanced 8-bit character password handling.

(1) Some routers and ISPs may not be supported.
(2) They are the test results from the Synology lab with asynchronous support enabled in NFS.

Special Notes

  1. Browser Support:

    • Chrome 5
    • Firefox 3.5, 3.6
    • Safari 4, 5 (Mac)
    • Internet Explorer 7, 8
  2. DiskStation adopts the ACL behavior of Windows Server 2008. Windows ACL on web, photo, and surveillance share folders are exclusive to the admin account.

  3. File Station is now only supported on the customized port to provide independent access to individuals.
  4. The right-click menu in File Browser will be disabled by Safari 5 (Mac) when DSM 3.0 is running Audio Station or Download Station at the same time.

Limitation & Known Issues

  1. In Internet Explorer, Audio Station and Download Station will be opened in new windows. Launching multiple File Browsers is also restricted. This is to justify the known JavaScript performance lag in Internet Explorer.
  2. The files and folders uploaded via File Browser or File Station will not inherit the ACL privileges from their parent folder at destination.
  3. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 2.3-1157


(2010-04-22)

Change log

  1. (13886) Supported M3U Internet radio playlist in Audio Station.
  2. (14136) Enhanced the Amazon S3 secret key handling.
  3. (14113) Enhanced Synology Hybrid RAID's volume expansion after volume degraded.
  4. (14097) Enhanced the log system by recording hard disk removal events.
  5. (14009) Enhanced the Surveillance Station live view stability when switching the IP cameras video formats.
  6. (13948) Enhanced the error handling when attempting to create a volume larger than 16TB.
  7. (13932) Enhanced the RAW files thumbnail conversion in Photo Station.
  8. (13879) Enhanced the external IP reporting in DDNS.
  9. (13860) Enhanced the unmounted encrypted shared folders' security .
  10. (13851) Enhanced the Surveillance Station live view quality on Safari.
  11. (13850) Enhanced the Surveillance Station live view quality on Firefox.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 2.3-1141


(2010-03-19)

Change log

  1. Enhanced the stability of Apache server.
  2. Enhanced the compatibility with Flash 9 in Photo Station.

Limitation & Known Issues

  1. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 2.3-1139


(2010-03-08)

New Features

This firmware can only be applied to DiskStation with DSM 2.1 or DSM 2.2 firmware. Download DSM 2.3-1139 at: Americas/Europe, Asia

  1. New Volume Manager:

    • The Synology Hybrid RAID (SHR) simplifies the RAID setup, allowing the DiskStation to maximize the available storage of varying disk capacities yet with data protection. Experienced administrators may still use a manual option of creating a storage volume.
    • RAID10, 3-way RAID 1 and 4-way RAID 1 volume types are supported.
    • Block-based iSCSI target is supported and providing faster performance of file transfer.
    • The Volume Manager User Interface has been updated with additional graphics and illustrations.
    • RAID 5 to RAID 6 migration is supported.
  2. EZ-Internet: The EZ-Internet Wizard is now available for guiding through the steps to establish access to DiskStation from the Internet, including firewall settings, PPPoE setup, DDNS registration, and router port forwarding configuration*. The "Router Configuration" feature is also available on the management UI under "Internet Connection" category, which accomplishes the port forwarding tasks on the router for you. View the supported router list here.

  3. Shared Folder Encryption: AES 256-bit shared folder encryption is supported with the DiskStation. The encrypted shared folder cannot be accessed until it is mounted by entering the encryption key.
  4. Backup Enhancements:

    • In addition to the existing "shared folder" level backup, "sub folder" level backup is now supported.
    • NetBackup shared folder is supported to act as the backup source. This allows backing up the data sets from DiskStation A to DiskStation B, and from DiskStation B to DiskStation C, and so on.
    • Amazon S3 is now supported as a backup target.
    • The Backup Wizard now allows backing up Surveillance Station event recordings with all the settings, including notifications, privileges and licenses.
  5. File Station 3:

    • Local file browsing is supported (Java Runtime Environment is required) for easy browse and upload the local folders or files to DiskStation with drag-n-drop actions.
    • Multiple tasks are now supported. Upload tasks are performed in the background and with the upload queue listed at the bottom of the File Station.
    • Files and folders on the DiskStation can be compressed directly from the File Station.
    • .7z and .iso compressed files extraction is supported.
  6. Surveillance Station 4:

    • 162 more IP camera models from Sony, Mobotix, JVC, IQeye, Edimax, Siemens and other brands are now supported. View the complete list here.
    • H.264 video format is now supported.
    • Intelligent PTZ now supports preset positions, patrol paths, and guard schedules on each camera.
    • Manual recording is supported during camera live view.
    • E-Map is supported, which allows assigning an uploaded image to each live view layout, and deploy corresponding cameras or sub-maps to the image.
    • Enhanced user accounts privilege allows deciding not only the privilege of each user (manager vs. spectator), but also which IP cameras each user can access.
    • Event export function is supported to allow archiving the recorded events to an external storage device or another shared folder. At a later time the events can be mounted back for review on Surveillance Station.
    • More advanced camera settings are supported, including direct live-view streaming from the IP cameras, different image resolutions and frame rates settings for recording and live view, along with pre- and post-recording time and more flexible recording schedule configuration.
    • The sync-event player is improved with better time accuracy.
    • Motion detection setting is improved with threshold testing utility.
  7. iPhone Support: A new iPhone app, DS cam, is available on Apple® App Store for free. DS cam allows users who own an iPhone/iPod touch to live view the IP cameras (in MJPEG format), take snapshots, and view recorded events on your Surveillance Station whenever network connection is available.

  8. Photo Station 4:

    • Browsing photos with a photo wall or an image flow view is now supported.
    • Adjusting photo thumbnail size with a sliding bar when browsing photos is now supported.
    • Uploading photos and creating sub-folders through Photo Station UI is supported (Flash 9 is required). Enhanced privilege control allows customizing which albums each user accounts can access or upload photos.
    • Virtual albums are now supported, including albums of recent photos or videos.
    • Google map function is integrated, allowing browsing the location where the photo is taken if the geo-information is available in the photo, or manually edit the Google map location.
    • Enhanced album access permission allows easily setting the public/private attribute of all albums.
    • 1024X768 blog layout is supported and 10 new banners are newly provided.
    • Photo Uploader utility is available in the new Synology Assistant to allow uploading photos and videos to the DiskStation which photo thumbnails and H.264 films pre-generated with the client computer.
    • RAW image files are supported including *.arw, *.srf, *.sr2, *.dcr, *.k25, *.kdc, *.cr2, *.crw, *.nef, *.mrw, *.ptx, *.pef, *.raf, *.3fr, *.erf, *.mef, *.mos, *.orf, *.rw2, *.dng and *.x3f.
  9. Audio Station 2:

    • Audio Station 2 now also utilizes AJAX technology. It allows browsing the music library by folder, album, artist or genre, browsing the albums in thumbnail view or cover flow view, and managing the playlist and the now-playing queue with right-clicks.
    • M4A music is now supported in streaming mode.
    • Streaming music from other UPnP/DLNA media servers within LAN is supported.
    • Internet radio (MP3 only) is now supported in streaming mode.
    • SHOUTcast and RadioIO Internet Radio are supported with automatic updates.
    • iTunes Server Smart Playlist is supported to be played on Audio Station.
    • In addition to USB mode and web-streaming mode, Audio Station 2 now supports streaming music, stored on DiskStation or other UPnP/DLNA media servers, to an UPnP compatible digital media renderer (DMR). View the supported DMR list here. Streaming music simultaneously in the 3 modes is allowed.
  10. Download Station Enhancements: MegaUpload download with a premium account is supported.

  11. Management UI Enhancements:

    • A thin UI header option is available for maximizing the operation area of all applications.
    • Directly entering a specific application after login is supported.
    • Left-hand menu items are now customizable where menu options which are infrequently used can be hidden from view.
    • Items in the My Favorites are now also available as a list on the top of the left-hand menu for quick access.
  12. Wireless Support: With the supported wireless dongles, the DiskStation will be accessible via 802.11b/g/n wireless connectivity. Both the infrastructure and Ad-Hoc modes are supported. View the supported USB wireless dongle list here.

  13. Added PHP Modules: FreeType, PDO, dba, dbase, pdo_sqlite, SQLite, shmop, wddx, xmlrpc and zip
  14. Enhanced Mac Compatibility: Mac Decomposed Unicode character sets handling is enhanced.

Major Changes of Synology Data Replicator 3 (v.142)

  1. (780) Enhanced Windows Live Mail backup on Windows 7.
  2. (782) Enhanced My Documents backup on Windows 7.

* Some routers and ISPs may not be supported.

Special Notes

  1. Browser Support:

    • Internet Explorer 7, 8
    • Firefox 3, 3.5
    • Safari 3, 4 (Mac)
  2. Surveillance Station 4 newly supports the following IP cameras:

    • [Sony] SNC-CM120, SNC-CS10, SNC-CS11, SNC-CS20, SNC-CS50N, SNC-CS50P, SNC-DF40N, SNC-DF40P, SNC-DF50N, SNC-DF50P, SNC-DF70N, SNC-DF70P, SNC-DF80N, SNC-DF80P, SNC-DF85N, SNC-DF85P, SNC-DM110, SNC-DM160, SNC-DS10, SNC-DS60, SNC-P1, SNC-P5, SNC-RX530N, SNC-RX530P, SNC-RX550N, SNC-RX550P, SNC-RX570N, SNC-RX570P, SNC-RZ25N, SNC-RZ25P, SNC-RZ30N, SNC-RZ30P, SNC-RZ50N, SNC-RZ50P, SNC-Z20N, SNC-Z20P
    • [Mobotix] D12Di-IT, D12Di-IT-Dnight, D12Di-Sec, D12Di-Sec-180, D12Di-Sec-Dnight, D24M-IT-D22, D24M-IT-Night, D24M-Sec, D24M-Sec-Night, M12-DevKit-Board, M12D-IT-DNight, M12D-Sec, M12D-Sec-DNight, M22M-IT, M22M-IT-Night, M22M-Sec, M22M-Sec-Night, M22-Sec-CSVario, Q24M-Sec, V12D-Sec, V12M-Sec
    • [JVC] VN-V225U, VN-V25U, VN-V26U
    • [IQeye] IQ040SI, IQ041SI, IQ042S, IQ510, IQ511, IQ540SI, IQ541SI, IQ542SI, IQ702, IQ703, IQ705, IQ711, IQ732N, IQ732S, IQ751, IQ752, IQ753, IQ755, IQ802, IQ803, IQ805, IQ811, IQ851, IQ852, IQ853, IQ855, IQA10N, IQA10S, IQA11N, IQA11S, IQA12N, IQA12S, IQA13N, IQA13S, IQA15N, IQA15S, IQA20N, IQA20S, IQA21N, IQA21S, IQA22N, IQA22S, IQA23N, IQA23S, IQA25N, IQA25S, IQD40SI, IQD41SI, IQD42SI
    • [Edimax] IC-1500, IC-1500Wg, IC-1510, IC-1510Wg, IC-1520DP, IC-1520DPg, IC-1520POE, IC-3010, IC-3010Wg, IC-7000, IC-7000PT, IC-7000PTn, IC-7000PTn-V2, IC-7000PT-V2
    • [Siemens] CCIC-1410-L, CCIC-1410-LA, CCIC-1410-LAW
    • [Axis]
    • IP camera: M1011, M1011-W, M1031-W, M3011, P1311, P3301, Q1755, Q6032-E, P3343, P3343-V, P3343-VE, P3344, P3344-V, P3344-VE
    • Video server: 240Q, 241Q, 241QA, 241S, 243Q, 243SA, 247S, M7001, Q7401, Q7404, Q7406
    • [ACTi] TCM-4301, TCM-5311, TCM-5311E
    • [AVIPC] M9030
    • [D-Link] DCS-920
    • [Vivotek] FD7130, FD7160, FD8161, FD8361, IP7361, IP8161
  3. After firmware upgrade, the system will automatically create additional thumbnails for all photos stored in "photo" shared folder. Photo Station service will not be affected.

Limitation & Known Issues

  1. Axis video server "quad image" feature is not supported on Surveillance Station.
  2. Refer to "Limitation & Known Issues for all versions" for other limitations.

Version: 2.2-0965


(2010-01-28)

Change log

  1. (12901) Supported the new Advanced Format Technology of the Western Digital EARS series hard disks. Check the HDD compatibility list for details.
  2. (11743) Enhanced the capability of large file upload on Mac.

Limitation & Known Issues

Version: 2.2-0959


(2009-11-16)

Change log

  1. Surveillance Station 3:

    • Added Visual Station VS60 support: With Visual Station, you can directly live-view the cameras managed by Surveillance Station on a TV set or LCD monitor without using a computer.View VS60 IP cameras support list here.
    • Spectators are granted to view events on Sync Playback mode.
  2. (10732) Fixed DiskStation duplicated icons issue when Time Machine is enabled on Mac computers.

  3. (10822, 10824) Enhanced *.app and *.dmg file uploading from Mac.
  4. (10927) Enhanced Mac Safari connection after changing the management UI port.
  5. (10751) Enhanced Mac Safari HTTPS connection.
  6. (10753) Enhanced Windows Mobile 2003 2nd edition browsing compatibility.
  7. (10812) Enhanced folder attributes handling when copying folders from Windows XP to DiskStation as mapped drives.
  8. (11094) Enhanced DDNS service connectivity with proxy routing.
  9. (11079) Updated built-in Internet Radio station list.

Limitation & Known Issues

Version: 2.2-0942


(2009-09-07)

Change log

  1. New DLNA Compliant Media Server:

    • DiskStation Manager 2.2 has been certified DLNA compliant (certified on DS209 and will work with all DiskStation models). It further ensures interoperability between Synology DiskStation and your DLNA home devices.
    • Supports customization of the DMA browsing menu for your multimedia files. 3 default menu styles are provided and you can customize 3 more styles based on personal preferences, including using iTunes smart playlist.
    • Supports streaming music, photo and video with Windows Media Player on Vista.
    • Supports MP3 and M4A metadata indexing including composer, disc number, track number, album artwork, and comment.
    • Supports predefining a image to be displayed as the album cover for music files without an embedded album artwork.
    • Supports more video formats, including MKV, TS, M2TS, M2T, MTS, M4V, 3GP, 3G2, QT, SWF, DVR-MS, MOV, TRP, TP and ISO.
    • Supports PCM and APE audio formats.
    • Supports on-the-fly transcoding of FLAC, APE, OGG, AAC (.aac, .m4a, .m4b) and AIFF (.aif, .aiff) to WAV or PCM to enjoy high quality lossless music on compatible DMAs.
    • Supports customization of the MIME type mapping to help DMA correctly identify the file formats.
    • Adds DMA communications logging option for diagnostic purpose.
  2. iPhone Support: 2 iPhone applications are available on Apple® App Store for free:

    • DS photo allows you to easily upload photos from iPhone/iPod touch to your DiskStation and instantly share it out to the world.
    • DS audio allows you to stream and enjoy the music stored on DiskStation with your iPhone/iPod touch where Internet is available.
  3. Mobile Photo Station & File Station: Supports viewing photos and reading supported file formats stored on DiskStation with a mobile device whenever the Internet is available. Windows Mobile 6.0 (Internet Explore Mobile or Opera 9.0 and onward), iPhone OS 2.2.1 and onward (Safari) or Symbian OS 9.1, S60 3rd Edition and onward are required.

  4. iSCSI(1): Designate portion of your volume space to be an iSCSI target, and expand it later at your preference. You can assign up to 10 iSCSI targets on each DiskStation.
  5. Firewall: The built-in firewall function allows you to decide which service or IP address are allowed to access the DiskStation and prevent uninvited connections.
  6. SNMP: SNMP protocol support allows you to monitor DiskStation with network management softwares.
  7. Auto Block: Auto block function protects your DiskStation from hostile attacks. IP address with pre-defined number of failed login attempts will be blocked and cannot access the server until manually removed from the block list by admin. The failed login attempts include connections via management UI, File Station, FTP, SSH, Telnet, rsync and mobile devices including iPhone.
  8. Resource Monitor: Resource monitor allows you to easily monitor DiskStation's CPU usage, memory usage, network flow and volume usage.
  9. Mac OS X Time Machine Support: Simply choose a destination folder on your DiskStation, and you can easily back up data of your Mac OS to the server.
  10. SMS Notification: By setting up SMS notification, you will be notified immediately if any critical event occurs on your DiskStation.
  11. Windows ADS Support(2) Enhancements:

    • Supports large size domain environment with up to 100,000 domain users and 100,000 domain groups.
    • Advanced setting options help the server to join domain more easily.
    • Supports user home function for domain users. When enabled, a private home folder will be created automatically upon the domain user's login.
    • Supports setting up sub-folder privileges for domain user/group in File Station.
  12. Surveillance Station Enhancements:

    • Flexible live view layout management allows you to choose from 1 channel, 2x2, 3x3, 4x4 grids, sequential rotation and other options.
    • Enhanced live view and event playback allows you to digitally zoom in/out, drag and move the frame or slow/fast forward the video when the event is playing.
    • Events Sync Playback allows you to simultaneously watch events recorded at the same time from up to 4 different cameras.
    • Centralized Management allows you to simultaneously watch the live-view of cameras installed on multiple DiskStations, or watch the event timeline of a camera installed on another DiskStation.
    • 54 more camera models from 10 renowned brands are newly included in the support list, making the total 193. View the complete list here.
    • Supports MJPEG and MPEG-4 over RTP streaming.
    • Supports SMS notification, allowing you to receive an immediate notice upon the occurrence of designated critical events.
    • Camera support numbers are increased to 8 and 12 on certain 9-series models(3).
  13. iTunes Server Enhancements:

    • Supports video files sharing for MOV, MP4 and M4V formats.
    • Supports MP3 and M4A metadata indexing including composer, disc number, track number, album artwork and comment.
  14. Download Station Enhancements:

    • Supports creating multiple download tasks by entering more than one HTTP, FTP or ed2k links at a time, or upload a text file containing multiple links.
    • Supports RSS and RapidShare download.
    • For BT download, private tracker support is improved.
    • For BT/HTTP/FTP/NZB download, a Time Left column is added for each task to indicate the estimated time before the task's completion.
    • For eMule download, eMule protocol obfuscation is supported.
    • Supports assigning the download service location to an external hard drive(4).
    • E-mail notification upon the download task's completion is supported.
  15. Photo Station Enhancements:

    • Supports video files sharing for MP4, DAT, M4V and QT formats.
    • Added 3 new Photo Station templates and 5 more Blog banners. Thumbnails quality of newly added photos is improved.
  16. Web Station Enhancement: Added PHP cache option.

  17. File Station Enhancement: All files upload/download transfer will be recorded when File Station transfer log is enabled.
  18. Shared Folder Privilege Setting Enhancement: More flexible privileges setting by subdividing write-only privilege into 3 options (1) disable directory browsing (2) disable file downloading (3) disable modification of existing files. The rules apply to File Station and FTP file transfer.
  19. NTFS External HDD Support(5): Supports writing data to the NTFS formatted external hard disk.
  20. New DDNS Provider: Added SelfHost.de to the DDNS provider list.
  21. Management Enhancements:

    • Supports changing the management UI ports from default 5000/5001 to any available port(6).
    • Supports setting up user accounts expiration date, or disallowing certain user accounts to change password.
  22. UPS Setting Enhancement: You can now set up the time period before the server enters safe mode after a power failure.

  23. DX5/RX4 Support: DX5/RX4 are now supported on DS109+ and DS109.
  24. Enhanced System Reliability: The transparent bad sector remapping, dynamic bad sector recovery and improved HDD driver quality and compatibility further enhance the system reliability.
  25. System Upgrade:

    • Samba is upgraded to 3.2.8.
    • Apache is upgraded to 2.2.13.
    • PHP is upgraded to 5.2.10.
    • MySQL is upgraded to 5.1.34.
    • OpenSSH is upgraded to 5.2p1.
    • OpenSSL is upgraded to 0.9.8k.
    • PostgreSQL is upgraded to 8.3.7.
  26. Czech Support: Czech localization is now added to DSM 2.2, Synology Assistant, Synology Data Replicator 3, and Synology Download Redirector.

  27. SqueezeCenter Package Upgrade: SqueezeCenter package is upgraded to 7.3.3. Click here to download the new package.

(1) iSCSI is not supported on DS109j, DS108j, DS107 and DS107e.
(2) Windows ADS is not supported on DS109j, DS209j, DS108j and DS107e.
(3) 12 cameras support: DS509+, RS409+, RS409RP+, DS409+, DS209+II, DS109+
      8 cameras support: RS409, DS409, DS409slim, DS209, DS109
      Extra licenses are required.
(4) Native-format is suggested. On FAT32 disks, single file size is limited to 4GB. And NTFS disks are not supported.
(5) Writing data to an NTFS external HDD is not supported on DS109j, DS108j, DS107 and DS107e.
(6) Synology Assistant will not be able to find the DiskStation after changing the management UI port. This bug will be fixed in later version of Synology Assistant.

Special Notes

  1. Browser Support:

    • Internet Explorer 6, 7, 8
    • Firefox 3, 3.5
    • Safari 3, 4 (Mac)
  2. The "Shutdown/Restart" button is moved to the top-right corner of each activated applications.

  3. Surveillance Station 3 newly supports the following IP cameras:

    • [ACTi] ACM-8201 (PT), ACM-8211 (PT), ACM-8511N (PTZ), ACM-8511P (PTZ), TCM-4301, TCM-5311, and MJPEG of all ACTi cameras
    • [AXIS] M1011, M1011-W, M1031-W, M3011, P1311, Q1755, Q6032-E
    • [AVIPC] 323B
    • [D-Link] DCS-910, DCS-2121
    • [Levelone] FCS-4010, FCS-5011
    • [Panasonic] BB-HCM547, BL-C140A, BL-C101, BL-C121, BL-C160, KX-HCM8, KX-HCM10, KX-HCM110, KX-HCM230, KX-HCM250, KX-HCM270, KX-HCM280, WV-NW960
    • [SparkLAN] CAS-371 (PT), CAS-371W (PT), CAS-633, CAS-633W, CAS-673, CAS-673W
    • [TRENDnet] TV-IP410, TV-IP410W, TV-IP422, TV-IP422W, TV-IP512P
    • [Vivotek] IP7130, IP7153, IP7154, IP7160, IP7161, IP7330, PZ7111, PZ7112, PZ7121, PZ7122, PZ7131, PZ7132, SD7313, SD7323, VS7100 (video server)
    • [Y-cam] Black, White, Knight
  4. To ensure proper operation of Photo Station, using File Station 2 to modify sub-folder privileges for "photo" shared folder is disabled.

  5. All the media files will be re-indexed after the firmware upgrade, but photo thumbnails will not be regenerated.

Limitation & Known Issues

Version: 2.1-0851


(2009-08-05)

Change log

This firmware upgrade is intended for users advised by Synology Online Support. Under normal circumstances, it is not necessary to upgrade to this version.

  1. (10075) General system parameter adjustment.

Limitation & Known Issues

Version: 2.1-0850


(2009-07-22)

Change log

This firmware upgrade is intended for specific cases only. Under normal circumstances, it is not necessary to upgrade to this version.

  1. (9395, 9393) Enhanced group installation functionality (for System Integrator only).
  2. (9270) Enhanced audio and video files indexing.

Limitation & Known Issues

Version: 2.1-0843


(2009/07/08)
  1. N/A. (This is the initial release of RS409)