Allow only system backup

Policy ID
AllowOnlySystemBackup
Scope
Computer Configuration
Supported on
At least Windows Server 2008
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Server

Description

This policy setting allows you to manage whether backups of only system volumes is allowed or both OS and data volumes can be backed up.

If you enable this policy setting, machine administrator/backup operator can backup only volumes hosting OS components and no data only volumes can be backed up.If you disable or do not configure this policy setting, backups can include both system or data volumes.

Registry

ComputerHKEY_LOCAL_MACHINE
  • OnlySystemBackupREG_DWORD

Other policies in the same category

View all policies in this category (5)