Error starting SQL Backup Service

rgiesbrechtrgiesbrecht Posts: 17 Bronze 2
edited March 13, 2008 1:20PM in SQL Backup Previous Versions
I just upgraded from version 4.6 to 5.3. As part of the upgrade process, the installer attempts to start the SQL Backup service for the specified SQL instance.

The following error appears in the EventLog: SQL Backup Agent startup error: error initialising IPC objects. Error creating mutex (already exists): Global\SQBMutex_CHARLOTTE

Is the only remedy a restart of the server to remove the DLL from memory?
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  • peteypetey Posts: 2,358 New member
    It's a windows synchronisation object that should have been freed when the service was stopped. You can download Process Explorerfrom the Sysinternals site, and perform a search for Global\SQBMutex_CHARLOTTE. That should tell you which application is still holding a reference to that object. Depending on which application is it, you could choose to delete the reference.
    Peter Yeoh
    SQL Backup Consultant Developer
    Associate, Yohz Software
    Beyond compression - SQL Backup goodies under the hood, updated for version 8
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