Hyper-V Backup Errors RRS feed

  • Question

  • I'm getting the following errors trying to backup 2 VM's on a physical server. Can't figure out the issue.  Thanks in Advance!!

    1st Error

    Writer Microsoft Hyper-V VSS Writer experienced some error during snapshot creation.  More info: .

    Source SPP Event ID 16387

    2nd Error

    The backup operation that started at '‎2016‎-‎09‎-‎25T03:00:04.172000000Z' 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 '0x807800A1'. Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.

    Source Backup Event ID 521

    Sunday, September 25, 2016 11:08 PM