Policy
Disallow locally attached storage as backup target
This policy setting allows you to manage whether backups of a machine can run to locally attached storage or not. If you enable this policy setting, machine administrator/backup operator cannot use Windows Server Backup to run backups to a locally attached storage or disk. If you disable or do not configure this policy setting, there is no restriction on locally attached storage or disk being backup target.
fdfe425fa2b4 DisallowLocallyAttachedStorageAsBackupTarget Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Windows\Backup\Server\NoBackupToDisk (enabled) = 1
HKLM\Software\Policies\Microsoft\Windows\Backup\Server\NoBackupToDisk (disabled) = 0 Policy notes
This policy setting allows you to manage whether backups of a machine can run to locally attached storage or not. If you enable this policy setting, machine administrator/backup operator cannot use Windows Server Backup to run backups to a locally attached storage or disk. If you disable or do not configure this policy setting, there is no restriction on locally attached storage or disk being backup target.