Release Notes for Active Backup for Microsoft 365

What's New

1. Supports data backup across multiple regions by Microsoft 365 Multi-Geo.

Fixed Issues

1. Fixed an issue where restoring mails might fail if the mail folder on destination had not yet been created.
2. Fixed an issue where SharePoint sites created by Microsoft Copilot might interrupt the auto-discovery service.
3. Fixed an issue where backing up SharePoint sites might fail to complete.
4. Fixed an issue where backing up files within the same SharePoint document library might not effectively reduce backup time.
5. Fixed an issue where backing up a SharePoint document library containing more than 5,000 files might fail.
6. Fixed an issue where backing up SharePoint sites might take longer than expected.
7. Fixed an issue where relinking tasks in the package might fail.
8. Fixed an issue where backing up Teams stickers might fail due to Microsoft server anomalies.
9. Fixed an issue that might cause the package to stop unexpectedly.
10. Fixed an issue where backup tasks for Exchange Online plans might not be created.
11. Fixed an issue where the auto-discovery feature might stop working after an upgrade if a personal site has been deleted on SharePoint.

1. Due to some issues that need to be fixed, the version has been recalled.

Fixed Issues

1. Fixed an issue where backing up mails might fail due to an excessively large BusinessAddressInternal field value caused by Microsoft server abnormalities.
2. Fixed an issue where the number of concurrent backups might exceed user settings.
3. Fixed an issue where creating a backup task for Microsoft 365 operated by 21Vianet might incorrectly include Teams in backups and auto-discovery.
4. Fixed an issue where the initial mail backup task might back up deleted Search Folders to the wrong folder.
5. Fixed an issue where mails in backup tasks with the "App revoked" status might not be exported in the recovery portal.
6. Fixed an issue where backing up OneDrive files might fail due to Microsoft server abnormalities.
7. Fixed an issue where a backup task might fail to complete when encountering Microsoft throttling for over an hour.
8. Fixed an issue where a SharePoint list with multiple image files might be incorrectly identified as throttling and cause excessively long backup time.
9. Fixed an issue where only first-layer folders within copied SharePoint folders could be backed up.
10. Fixed an issue where Teams data could not be searched in the recovery portal if their previous versions were deleted before being indexed.
11. Fixed an issue where backing up unsupported Teams stickers might cause backup failures.
12. Fixed an issue where backing up mails might fail due to Microsoft server abnormalities.
13. Fixed an issue where backing up calendars with attachments might fail due to Microsoft server abnormalities.
14. Fixed an issue where downloading data other than mails from the recovery portal might fail due to a timeout caused by excessively large files.
15. Fixed an issue where backing up SharePoint sites might fail to complete if a list item field was removed remotely.
16. Fixed an issue where restoring a list from the recycle bin while backing up a SharePoint site might cause the backup to fail.
17. Fixed an issue where an incorrect API response caused mailboxes to be incorrectly identified as deleted and excluded from backup.

Fixed Issues

1. Fixed an issue where backing up Teams tabs might fail.
2. Fixed an issue where restoring Teams standard channels to new destinations might fail to complete due to continuous creation of new teams.
3. Fixed an issue where backing up OneDrive or SharePoint data might generate inaccurate backup logs due to DNS abnormalities.
4. Fixed an issue where backing up OneDrive sharing permissions might slow down the backup speed.
5. Fixed an issue where backing up OneDrive might fail.
6. Fixed an issue where backing up mails might fail due to non-mail items in the "Deleted Items" folder.

Fixed Issues

1. Fixed an issue where making multiple changes to new files in SharePoint site might result in backup duplicates.
2. Fixed an issue where moving files in a SharePoint site might cause backup failure.

Important Note

1. Microsoft's API does not support backing up SharePoint sites created by Microsoft Loop.

Fixed Issues

1. Fixed an issue where backing up SharePoint sites with large amounts of backup data might disable the recovery portal.
2. Fixed an issue where the system might misidentify sites as "locked", causing backup failures and incorrect display of the site list.
3. Fixed an issue where SharePoint and OneDrive backups might fail due to temporary API errors from Microsoft.
4. Fixed an issue where backing up OneNote files in a SharePoint document library might fail.
5. Fixed an issue where SharePoint site backups might be very slow.
6. Fixed an issue where Exchange mail backups might fail if there are version corruptions due to abnormal power outages.
7. Fixed an issue where backups might fail if there are special characters in group emails.
8. Fixed an issue where Exchange mail backups might fail due to unexpected API error responses from Microsoft.
9. Fixed an issue where backup tasks for Exchange group mails might be stuck.
10. Fixed an issue where the package might be stopped when backing up Teams.
11. Fixed an issue where the backup speed might be very slow due to the system placing backup files in the incorrect directory.
12. Fixed an issue where the status might be stuck on "Preparing" due to excessive export time.

What's New

1. Increased the maximum number of emails to export. Export tasks of more than 1,000 emails will be executed in the background. When the files are ready, users can download them via the links provided.

Fixed Issues

1. Fixed an issue where sites with a large amount of data might not be backed up or their backup versions could not be browsed.
2. Fixed an issue where the site backup speed might be very slow due to Microsoft API issues.
3. Fixed an issue where site files might be renamed when exported.
4. Fixed an issue where site backup data could not be browsed if any user account was deleted once and then recreated.
5. Fixed an issue where backups might fail if any email exceeded the size limit.
6. Fixed an issue where the package might be stopped in the event of a power failure.
7. Fixed an issue where logs would display system errors for calendar backups.
8. Fixed an issue where Teams backup versions might not be rotated.
9. Fixed an issue where the package might be stopped when backing up Teams if any sticker was in an unusual format.
10. Fixed an issue where the package might be stopped when backing up Teams messages with a certain type of cards.
11. Fixed an issue where Teams channel backups might fail when downloading specific stickers.

1. This version has been recalled due to some issues that need to be fixed.

What's New

1. Supports user delegation to grant non-admin users package operation permissions.
2. Supports exporting mail folders, account mailboxes, and group mailboxes into an EML file.
3. Supports exporting emails in PST format.
4. Supports exporting logs, task history, and detailed information into a CSV file.
5. Supports advanced search and offers several sorting options on the Task List page.
6. Supports deleting a backup task along with its backup data.
7. Increased the maximum number of accounts or files to back up concurrently:
   -4 GB - 16 GB: 50
   -16 GB or more: 60
   

Fixed Issues

1. Improved backup performance by adjusting the version and index structures.
2. Fixed an issue where backups might take too long if a SharePoint site contained a large amount of data.
3. Fixed an issue where backups of a SharePoint site list might fail if the list contained any special characters.
4. Fixed an issue where users might not be able to create backup tasks when there was a large number of SharePoint sites.
5. Fixed an issue where backup tasks couldn't be created when there was a large number of groups.
6. Fixed an issue where backing up a large OneNote file might fail.
7. It's no longer supported to move encrypted shared folders used by the package to another volume because this may result in the loss of backup versions.
8. Fixed an issue where backups might fail if any Teams stickers couldn't be retrieved due to an error on Microsoft's end.

Fixed Issues

1. Fixed an issue where site backups might fail if the SharePoint domain name was changed.
2. Fixed an issue where file names might be unrecognizable when users downloaded SharePoint files from Recovery Portal.
3. Fixed an issue where backing up standard channels in Teams might fail.
4. Fixed an issue where backing up unlicensed/external accounts or accounts that had not signed in to OneDrive might fail.

Important Note

1. Backups of Microsoft Teams are not supported in Microsoft 365 operated by 21Vianet due to Microsoft limitations.

What's New

1. Supports backing up posts in Microsoft Teams.
2. Supports deleting backup data in batch through Storage Management.
3. Supports automatically creating Azure AD applications to run backup tasks.
4. Supports backing up and restoring mails of meeting response and meeting cancellation.

Fixed Issues

1. Fixed an issue where backing up certain emails with invitation events might fail with errors.
2. Fixed an issue where mail and calendar backups of certain accounts might fail because the email addresses from the Microsoft server were incorrect.
3. Fixed an issue of backup failures due to unstable network connection.
4. Fixed an issue where backup speed might drop due to the poor write performance of hard drives.
5. Fixed an issue where continuous backups might fail and the package might be stopped because the system did not detect insufficient space.
6. Fixed an issue where backups might fail and the package might be stopped when backing up deleted group inboxes.
7. Fixed an issue where renaming a domain might cause site backups to fail if the new name was not updated to the backup list.
8. Improved the performance of mail backups by adjusting the database access mechanism.
9. Fixed an issue where backup tasks might be stuck when the site file path provided by the Microsoft server did not match the one on Microsoft 365.
10. Fixed an issue where restoring SharePoint lists of the "Issue Tracker" type might fail.
11. Fixed an issue where package updates might fail.
12. Fixed an issue where mail backups couldn't complete due to unexpected responses from the Microsoft API.
13. Fixed an issue where backup tasks for relinking might not be found.
14. Fixed an issue where restarting the package while upgrading might cause an upgrade failure.
15. Fixed an issue where database upgrade might fail when any file or folder name contained certain symbols.
16. Fixed an issue where backups might fail when the Microsoft API returned incorrect fields of Synology Drive.

Important Note

1. Active Backup for Microsoft 365 ends support for the Germany endpoint to comply with the migration of Microsoft 365 Germany to Microsoft 365 Global.

What's New

1. Supports filtering out unlicensed or external accounts through auto-discovery.
2. Supports restoring OneDrive files to their original folders with options to overwrite or skip existing items.
3. Supports restoring all mails in the search result.
4. Supports setting the maximum number of accounts and files to back up simultaneously. The actual number may vary depending on the RAM capacity.
   The recommended maximum values based on the RAM capacity are:
   -Less than 2 GB: 20
   -Between 2 GB and 4 GB: 40
   -4 GB or more: 50
   

Fixed Issues

1. Fixed an issue where a backup task might fail because of an authorization error when backing up SharePoint sites.
2. Fixed an issue where a backup task might be stuck when backing up group mails.
3. Fixed an issue where the auto-discovery service could not fully update the SharePoint site list when a blocked site was detected.
4. Fixed an issue where a backup task might fail when backing up Outlook's Deleted folder that contained calendar or contact data.
5. Fixed an issue where the package might stop due to a full quota or insufficient space in the shared folder.
6. Fixed an issue where users might not be able to browse backup versions when there were too many lists or document libraries on a site.
7. Improved the progress display by providing the processed item count.
8. Fixed an issue where the preparation time of a backup task might take too long when the number of SharePoint subsites changed frequently.
9. Fixed an issue where a mail directory with more than 5,000 mails might not be backed up properly.
10. Fixed an issue where a backup task might be stuck when backing up a SharePoint site with more than 4,000 files.
11. Fixed an issue where Snapshot Replication might not work when there were too many backup files.
12. Fixed an issue where mail backups might take longer than usual due to the rescanning of each backup item.

Important Note

1. This update has been recalled on January 18, 2022, since longer backup time is required due to the need to rescan backup items after the upgrade.

Compatibility and Installation

1. Updated to be compatible with DSM 7.0.

What's New

1. Supports restoring an entire mailbox.
2. Supports relinking backup tasks and data on a Synology NAS.
3. Supports backing up and restoring the following group types:
   • Microsoft 365 Group (Office 365 Group)
   • Distribution List
   • Security Group
   • Mail-Enabled Security Group
4. Supports backing up SharePoint application sites.
5. Supports restoring emails to their original folders with options to overwrite/skip existing items.
6. Displays progress percentage for backup tasks.
7. Supports restoring group mailboxes and group calendars to user accounts.