system state backup hatası

Arkadaşlar;

Server 2008 R2 üzerinde system state backup almaya çalışırken aşağıdaki hata ile karşılaşıyorum. Bu sorunla daha önce karşılaşan var mı?

Loglarda hata şöyle görünüyor;

- System

  - Provider

   [ Name]  Microsoft-Windows-Backup
   [ Guid]  {1DB28F2E-8F80-4027-8C5A-A11F7F10F62D}
 
   EventID 517
 
   Version 0
 
   Level 2
 
   Task 0
 
   Opcode 0
 
   Keywords 0x8000000000000000
 
  - TimeCreated

   [ SystemTime]  2011-11-22T11:23:08.926522200Z
 
   EventRecordID 9974
 
   Correlation
 
  - Execution

   [ ProcessID]  3900
   [ ThreadID]  2324
 
   Channel Application
 
   Computer  ..................local
 
  - Security

   [ UserID]  S-1-5-18
 

- EventData

  BackupTime 2011-11-22T11:17:24.540317300Z
  ErrorCode 2155347997
  ErrorMessage %%2155347997

The backup operation that started at
'‎2011‎-‎11‎-‎22T11:17:24.540317300Z' has failed with following error code
'2155347997' (The operation ended before completion.). Please review the event
details for a solution, and then rerun the backup operation once the issue is
resolved.