Article ID: 111678, created on Jul 20, 2011, last review on Aug 12, 2014

  • Applies to:
  • Virtuozzo containers for Windows 4.5

Symptoms

It is not possible to back up Parallels Virtuozzo Containers 4.5 for Windows server using the IBM Tivoli Storage Manager (TSM) solution. It fails on the system state backup stage.
Similar errors can be found in TSM logs:

ANS1996W The volume mount points enumeration on 'C:\' volume failed. Windows system error code: 5; reason: 'Access is denied.'.
ANS1996W The volume mount points enumeration on 'C:\' volume failed. Windows system error code: 5; reason: 'Access is denied.'.
Incremental backup of volume 'SYSTEMSTATE'
ANS1996W The volume mount points enumeration on 'C:\' volume failed. Windows system error code: 5; reason: 'Access is denied.'.
Preparing to backup 'c:' using 'VSS' snapshot.
ANS5261W An attempt to create a snapshot has failed.
Another attempt will be made to create the snapshot in 30 seconds.
ANS5261W An attempt to create a snapshot has failed.
Another attempt will be made to create the snapshot in 30 seconds.
ANS5261W An attempt to create a snapshot has failed.
Another attempt will be made to create the snapshot in 30 seconds.
ANS1327W The snapshot operation for 'CHARLIE\SystemState\NULL\System State\SystemState' failed with error code: 4353.
ANS1228E Sending of object 'CHARLIE\SystemState\NULL\System State\SystemState' failed
ANS5258E Microsoft volume shadow copy snapshot initialization failed.

Resolution

This known issue has been fixed in Parallels Virtuozzo Containers 4.6 for Windows. To resolve the issue, upgrade Parallels Virtuozzo Container to version 4.6.

To work around the problem on Parallels Virtuozzo Containers 4.5 for Windows, stop the Virtuozzo VSS Writer service before creating a system state backup.
NOTE: This will not back up containers, which is why upgrading is preferable.

For more information, refer to this article:
8527 [Info] Does PVC support any third party backup solutions?

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