VSS SYSTEM BOOT failed.

VSS SYSTEM BOOT: VSS Writer: ASR Writer is not supported, ignoring it.

5388:(pid 7252): Failure status of writer NTDS - UNDEFINED

VSS SYSTEM BOOT: ERROR: VSS failed to process snapshot, error=0x800423f4: The VSS writer operation failed because of an error that might recur if another shadow copy is created. ** Says to look on Event and Error help link.

7162:(pid 7252): save of VSS SYSTEM BOOT:\ to buadminitcbkp1p failed