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SMHV backup fails with partial VSS failure on one or more hosts

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snapmanager-for-hyper-v
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Applies to

SnapManager for Hyper-V (SMHV) 

Issue

  • SMHV backup fails with a partial VSS writer failure.
  • Error in the job log:

Error: Vss Requestor - Backup Components failed with partial writer error.Writer "Microsoft Hyper-V VSS Writer" involved in backup or restore operation reported partial failure. Writer returned failure code 0x0. Writer state is 1.
Application specific error information:
Application error code: 0x0
Application error message: -
Failed component information:

For more information, look at the Hyper-V-VMMS event log in the Windows Event Viewer under "Applications and Services Logs->Microsoft->Windows".Also, check the Windows application event log in the VM for any errors.
Also, check the Windows application event log in the VM for any errors.

  • The backup summary in the job log will show the host(s) which have the partial failure:

Backup summary:
<HostName> [05EB0E08-DA0F-4BA8-95FB-E21862959821]:       [Failed]
<HostName> [6FD83A80-F58A-4057-85C0-C4740C1D2397]:       [OK]
<HostName> [155089D9-F939-496C-8325-60109F99F8B7]:       [OK]

 

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