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NetBackup - Snapshot delete failed with error 156

Created: 22 Mar 2013 | 1 comment



Windows Server 2008 R2 Enterprise

Master server -> Tape library

LAN Transport Type

Good morning/afternoon/evening,

We have just encountered an issue where a VM snapshot created successfully, pulled the necessary information, then received a critical error in which the snapshot deletion failed with an error 156; causing the VM to run from the snapshot until someone with the necessary credentials intervened to commit the snapshot.

I am familiar with the snapshot error 156 occuring at the time of creation but never at the time of deletion. I have attempted to do some searching and all the information available seems to be related to the 156 errors at time of snapshot creation, none cover at time of deletion. So I am putting this out there to see if anyone else has noticed this.

Thanks in advance,


Operating Systems:

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Jeremy.Johnson's picture


Newest backup attempts appear to be functioning properly and I am unable to re-create the issue. However, if someone still has information, it would be appreciated!