NetBackup status code 156
Message: snapshot error encountered
NetBackup status code 156 is displayed when a snapshot fails. The VSS_E_BAD_STATE and VSS_E_INSUFFICIENT_STORAGE error messages are displayed.
The VSS_E_BAD_STATE message is displayed when the VSS writer is in a bad state, as in if it is not stable. Reset the VSS state to fix this error.
The VSS_E_INSUFFICIENT_STORAGE message is displayed when there is insufficient space on the drive to create snapshots. Pre-configure a shadow storage area on a drive to fix this issue.