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This pointed to some issue with the upgrade script.

Even the possible restore of the system databases: Restoring the SQL Server Master Database Even Without a Backup - but that looked quite complex.įortunately, I was eventually able to start the instance (thank you to this answer: which I trusted, because Pinal Dave also mentions that particular switch in: SQL SERVER – Script level upgrade for database ‘master’ failed because upgrade step msdb110_upgrade.sql encountered error 926, state 1, severity 25) if I ran: For more information about how to rebuild the master database, see SQL Server Books Online.įearing having lost my system databases (and not having a backup of them to restore - who makes backups of their system dbs anyway?) and needing to access the instance, and attached databases - I was willing to try anything. Restore master from a full backup, repair it, or rebuild it. Examine the previous errorlog entries for errors, take the appropriate corrective actions and re-start the database so that the script upgrade steps run to completion.Ĭannot recover the master database. If the error happened during upgrade of the 'master' database, it will prevent the entire SQL Server instance from starting. This is a serious error condition which might interfere with regular operation and the database will be taken offline. Script level upgrade for database 'master' failed because upgrade step 'msdb110_upgrade.sql' encountered error 200, state 7, severity 25. If you have not logged off at this time, your session will be disconnected, and any open files or devices you have open may lose data.Ĭhecking under Application Event Log, I found these 2 error messages (preceded by a number of MSSQL$SQL2012 informational messages): WARNING: You have until SQL Server (SQL2012) to logoff.

The SQL Server (SQL2012) service terminated with the following service-specific error: On inspecting Event Viewer, under System it showed a rather amusing error message : I don't recall making any recent changes prior to this. Trying to start it manually under Services failed. All of a sudden one day (on my DEV PC) my Microsoft SQL Server 2012 instance (installed as instance name "SQL2012") would not start (all my other installed instances did).