Central Management System
DSM Version
7.4 7.3 7.2

Central Management System

Managed Server Administration

  • A single CMS Host can manage up to 10,000 servers. Actual capacity varies by product model.
  • Adds servers by IP address, QuickConnect, FQDN, or imported server lists.
  • Installs DSM on managed servers while they are being added.
  • Provides a centralized view of managed server information, including network, volume usage, drives, and packages.
  • Allows administrators to shut down, restart, or wake managed servers through Wake on LAN.
  • Displays the status of storage pools, volumes, drives, and shared folders.
  • Managed servers must run DSM 6.2 or above.
  • Each Synology NAS can be added to only one CMS Host.
  • Restart and shutdown actions cannot be applied to managed servers in a Synology High Availability cluster.

Policies and Delegated Administration

  • Creates server groups for large-scale management.
  • Applies group policies for file services, network settings, directory services, and other settings to an entire server group.
  • Customizes management policies at the server-wide, group, or individual server level.
  • Delegates administrator permissions to specific users or groups on the CMS Host.
  • Allows delegated users to manage specific servers or server groups.
  • Delegated administrator management levels depend on user privileges.
  • Users in the administrators group can view and modify settings for all managed servers.
  • Only users in the administrators group can access this page and run tasks on managed servers. Other users can view and modify settings only for managed servers they have permission to manage.

Notifications, Logs, Updates, and Services

  • Centralizes notifications from the CMS Host and all managed servers.
  • Exports notifications for administration purposes.
  • Records event logs from managed servers.
  • Exports logs in CSV or HTML format.
  • Provides automatic DSM and package update reminders, which can be limited to important updates.
  • Centrally updates DSM and packages on managed servers in batches.
  • Supports scheduling DSM updates.
  • Monitors package status on managed servers.
  • Monitors the status of SMB, AFP, FTP, FTPS, NFS, SFTP, SSH, Telnet, and rsync.
  • Runs custom scripts on managed servers connected to the CMS Host through HTTPS.
  • Backs up and restores the CMS package through Hyper Backup.
  • Custom scripts require managed servers running DSM 7.0 or above.
  • Backup and restoration through Hyper Backup require both the CMS Host and managed servers to run DSM 7.0 or above.
  • Managing important DSM and package updates requires DSM 6.2.4 or above and CMS 2.1.4 on the CMS Host.