SystemState backup error. The location for backup is a critical volume
You try to perform a SystemState backup and get the error that the location of the backup is a critical volume.
To resolve this issue, open Registry editor and navigate to the following location:
(Create the SystemStateBackup key if it does not exists)
Create a DWORD in SystemStateBackup key as under:
Data type: DWORD
Value data: 1
Run the backup again and it should complete without any errors.