Hyper-V backup fails

  • Document ID:KM03066628
  • Creation Date:05-Jan-2018
  • Modified Date:18-Jan-2018
    • Micro Focus Products:
      data protector 9.08

Summary

Hyper-V backup fails with "Error during start of VSSBar"

Error

Hyper-V backup on a multinode cluster fails with:

[Normal] From: VEPALIB_HYPERV@hostname "HyperV"  Time: 12/12/2017 3:29:34 PM
Starting backup of VM(s) ... :
'VM_NAME (GUID: VM_GUID)' on host 'node04.domain.com' - Full

[Major] From: VEPALIB_HYPERV@hostname "HyperV"  Time: 12/12/2017 3:29:34 PM
Error during start of VSSBar.

Cause

Client Security feature was misconfigured

Fix

1. Rename/Remove C:\ProgramData\OmniBack\config\client\allow_hosts on all Hyper-V cluster nodes.

OR

2. Configure properly Client Security by adding all Hyper-V node names in each other's C:\ProgramData\OmniBack\config\client\allow_hosts files.