Hi,

I have backupassist and I attempt to run a backup, with VSS service running. However, I get this error in Windows Event Log:

The backup operation that started at '?2010?-?04?-?30T01:51:15.601000000Z' has failed because the Volume Shadow Copy Service operation to create a shadow copy of the volumes being backed up failed with following error code '2155348129'. Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.

Code: 521.

The error in backupassist is:

The backup operation stopped before completing. Detailed error: ERROR - A Volume Shadow Copy Service operation error has occurred: (0x80042336) The writer experienced a partial failure. Check the component level error state for more information.

Log of files successfully backed up: C:\Windows\Logs\WindowsServerBackup\Backup-29-04-2010_18-51-15.log

Log of files for which backup failed: C:\Windows\Logs\WindowsServerBackup\Backup_Error-29-04-2010_18-51-15.log

A Volume Shadow Copy Service operation failed. Please check "VSS" and "SPP" application event logs for more information. ERROR - A Volume Shadow Copy Service operation error has occurred: (0x80042336) The writer experienced a partial failure. Check the component level error state for more information.

Any idea how to fix this? I work in a company with server engineers, they all state of having no problems with 2008 and VSS (though in the company we use predominantly 2003). Without vss working, I assume no backup application will work?

Thanks