Restoring a GRT-enabled backup of Exchange 2010 mail items may dismount the database.


It has been observed that in some cases Backup Exec may unintentionally dismount an Exchange 2010 database when you attempt to restore granular items from a GRT-enabled backup.


Error Message

V-79-57344-65284 - Unable to restore the Microsoft Exchange storage group Test. One or more of its databases have not been enabled for overwrite. Use the Exchange Management Console to enable the property 'This database can be overwritten by a restore' for the databases that you want to restore.




SGMon log from the Backup Exec server:
MONAD: Exchange2010Component::DismountDatabase:dismount-Database -Id 'Test'- Confirm:$false
BEREMOTE:  [fsys\ese] - [MountOrDismountStore] - DismountDatabase ... sg:Test db:Test (0x0)


A hotfix is now available for this issue in the current version(s) of the product(s) mentioned in this article. Refer to the Hotfix link under Related Articles at the end of this article to obtain the hotfix needed to resolve the issue.

Backup Exec 2012 Rev 1798 Hotfix 213186 (TECH213186)



Best Practices:
Symantec strongly recommends the following best practices
1. Always run a backup job that includes all critical system components before you  make any changes to your environment.
2. Always make sure that your environment is running the latest version and patch level.
3. Perform periodic "test" restores.
4. Subscribe to technical articles.




Applies To

Exchange 2010

Backup Exec 2012


Terms of use for this information are found in Legal Notices.



Did this article answer your question or resolve your issue?


Did this article save you the trouble of contacting technical support?


How can we make this article more helpful?

Email Address (Optional)