For the past week I've been having failures with my backup of Exchange. I get the errors:
All databases are mounted. The VSS list writes are all stable. Not sure what to do again.
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CraigV I turned off AOFO in the job and tried it a number of times.
VJWare, Yes, the Agent is installed on the media server and it is a stand-alone Exchange setup.
What I notice is that even though I unchecked the AOFO option on the job history it shows up as still being used. I've attached some screenshots for you guys to the see the settings.
Agent used : Yes Advanced Open File Option used : Microsoft Volume Shadow Copy Service (VSS)
This is to be expected because VSS will always be invoked the OS.
Strange as it may seems, try enabling AOF and then specifically specify the use of VSS
This has helped in some cases.
I restarted the Exchange Server. There seems to be and issue with the VSS. Restarting the VSS list writers did not help in this case.
Since the restart the backup has been running successfully.
MS VSS writer can get hung up and will require a server restart. I've had this issue multiple times when trying to use the VSS writer for backups. I ran in to it the first time with 2008r2 and wbadmin backups. Service restarts will not help, you must restart the server itself.