Policy
Allow only system backup
Windows 11 25H2
Policy overview
Key metadata and intent for this policy.
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.
Internal name
AllowOnlySystemBackup
Policy ID
35cd261e0eee
Elements
0
Registry values
How enabled and disabled states update the registry.
| Registry location | Type | Enabled value | Disabled value |
|---|---|---|---|
| HKLM\Software\Policies\Microsoft\Windows\Backup\Server\OnlySystemBackup | REG_DWORD | 1 | 0 |
Policy elements
Inputs and configuration options exposed by this policy.
This policy has no additional user input fields.
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