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Window 2012R2 backup - failed

scottjnorris asked
Last Modified: 2016-02-18
Windows server backup failed with the following :
A volume shadow copy service operation failed. Please check
VSS and SSP application event logs.The writer's timeout expired between freeze and thaw events.

Event viewer said;
The backup operation that started at '‎2016‎-‎02‎-‎16T20:35:28.378000000Z' 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.

I tried restarting the  Volume Shadow Copy Service and  Microsoft Software Shadow Copy Provider but still it failed.
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