SQLServer 2008 Fails to come online on cluster after upgrade

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SQL-Server 2008 Fails to come online on cluster after upgrade.

Reason: Server is in script upgrade mode. Only administrator can connect at this time.

Login failed for user ‘ccccc\xxxxx. Reason: Server is in script upgrade mode. Only administrator can connect at this time.

Issue:

SQL-Server 2008 Fails to come online on cluster after upgrade.

Error from SQL-Server Error log

“Reason: Server is in script upgrade mode. Only administrator can connect at this time.”

“Login failed for user ‘ccccc\xxxxx. Reason: Server is in script upgrade mode. Only administrator can connect at this time.”

Script level upgrade for database 'master' failed because upgrade step 'sqlagent100_msdb_upgrade.sql' encountered error 598, state 1, severity 25. This is a serious error condition which might interfere with regular operation and the database will be taken offline. If the error happened during upgrade of the 'master' database, it will prevent the entire SQL Server instance from starting. Examine the previous Error log entries for errors, take the appropriate corrective actions and re-start the database so that the script upgrade steps run to completion.

Resolution:

Start the SQLServer from services console (or) Command prompt and wait till the master database is completely upgraded. Once the script upgrade is complete start the SQL-Server normally from Cluster admin (or) Failover cluster manager.

Cause: During the Script upgrade mode only administrator can connect to SQL-Server, So when the SQL-Server resource is brought online ISAlive check fails immediately before upgrade completes and SQL-Server resource goes down. When we start SQLServer from services or command prompt ISAlive check doesn’t happen so upgrade completes. Once the upgrade is completed we can start SQL-Server normally.

 

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Regards

Karthick P.K