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Backup Exec 2012 Dismounts Exchange during backup and doesnt remount until reboot

Created: 18 Apr 2013 • Updated: 18 Apr 2013 | 3 comments

Good Afternoon All,

I have a sbs 2003 server with backup exec 2012 fully updated having a few issues when backing up Exchange this has only occured in the past week or so,

While performing the backup Exchange is dismounted and doesnt remount until the server is rebooted,

Any advice appreciated,



Erud IT Support

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Sush...'s picture

Hello Matt,

    Exchange database should not be dismounted during backups of Exchange 2003 with BE 2012.

In BE 2012 AOFO option is enabled by default. If Exchange databases are getting dismounted then disable the Advanced Open File Option (AOFO) in the backup job properties as backups of Exchange 2003 should not be taken using the AOFO option.

Let us know the result.



Hope this piece of Information Helps you... and if it does then mark this response as Solution....!!!

CraigV's picture

...weird. In previous versions I think there is a setting to dismount the Information Store...check to see if this is enabled in your settings.

Although not recommended to be used, AOFO won't be the cause for dismounting your Information Store.


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lmosla's picture

Hi,  Are you getting any Windows Event Application errors during the time of the backup?  Please review the following doc. for the solution to this problem.