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Application consistent backups with SMHV fail to rename snapshot

Last Updated:

Applies to

  • SnapManager for Hyper-V (SMHV)
  • Windows Server 2016
  • Windows Server 2019


When running an application consistent backup with SnapManager for Hyper-V the below errors may be generated

SnapDrive debug log

01/02-00:00:00.000    PID:9560    TID:7964    filer.cpp@479        An attempt to rename Snapshot copy from '{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}_backup' to '<snapshot name_backup' on volume '<volume>' failed on the storage system '<storage system name>'. Error code: 15661. Error description: entry doesn't exist.
 HRESULT 0xc004032d.

SnapManager for Hyper-V Backup Report

[1/2/2020 00:00:00 PM, (55)] Renaming snapshot {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}_backup to 
<snapshot name>_backup  for volume C:\ClusterStorage\CSV#\
[1/2/2020 00:00:00 PM, (55)] An error occured while renaming snapshots after backup operation.


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