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Server 2008 R2 backup failing

I use Symantec System restore to backup our servers, but on an app specific server like Exchange I also do a daily backup using Windows backup (this way the logs get truncated properly). I've seen a problem the last few weeks where the window backup is failing. It does it every few days. The error says operations stopped, and on the system state access denied. My first gut feeling was that symantec somehow had a vss lock, but after checking the logs the symantec backup finished a good 5 hours before the windows one kicked off.

So i tried to open the etl files but I've never really dealt with them before, and I don't really see any errors. Attached are the logs. I had to rename the .etl to .txt to get the upload to work so you will need to change it back.
logs.zip

Jackie Man

Have you checked the event viewer?

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Rodney Barnhardt

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bhieb

ASKER

No odd errors in the even log other than the warnings that if fails. It is a stand alone Exchange 2010 not a cluster and is not a VM. I'll check the maintenance schedule that would make sense.

bhieb

ASKER

Nail on the head rbarnhardt! My maintenance window is 1am to 5am, and my backup kicks off at 1am. I guess that maintenance doesn't always apply the VSS lock since it backups fine some days, either way I'll adjust the windows accordingly.