SQL Server Service fails to start after applying patch. Error: CREATE SCHEMA failed due to previous errors.

In this post we would like to explain one of the interesting issues that we encountered while upgrading a SQL Server Instance. Symptoms SQL Server Service fails to start after applying SQL patch due to misconfiguration in MSDB. Error:- 2016-06-28 19:23:41.22 spid5s    Script level upgrade for database ‘master’ failed because upgrade step ‘msdb110_upgrade.sql’ encountered error…

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