Microsoft volume shadow copy snapshot initialization failed.
IBM® Tivoli® Storage Manager encountered an error while initializing the Microsoft Volume Shadow Copy Service for backup or restore. The IBM Tivoli Storage Manager error log and Windows event log can contain additional information about this error.
IBM Tivoli Storage Manager stops the operation.
Try the operation again. If the error persists, review the IBM Tivoli Storage Manager error log and Windows event log for information related to this error. Use the Windows command VSSADMIN LIST WRITERS to determine the status of the Volume Shadow Copy service. Reboot the machine to clear the volume shadow copy error state. If the system is a Domain Controller and the Active Directory service is stopped, restart the Active Directory service.