Active Directory Lightweight Directory Services DB backup preparation failed with: User Action: Retry the backup operation. ...

Active Directory Lightweight Directory Services DB backup preparation failed with:  User Action:
 Retry the backup operation. If this problem persists, investigate for common database problems, and then retry the backup operation.  The backup has been cancelled.  Common database problems include, but are not limited to failing disks, full disks, database contention, corruption.
 
 Additional Data:
 Error Value: %1 %2 Internal ID: %3