Unable to apply SharePoint Service-Pack or CU due to a SQL mirrored database

I recently encountered an issue while updating one of our clients SharePoint environments. I came across the following error when applying SharePoint Server 2010 SP2 (14.0.7015.1000). However this issue can occur when updating hotfixes or cumulative updates aswell.

The error which PSCONFIG.EXE generated was:

Performing configuration task 3 of 4
Upgrading SharePoint Products…

Failed to upgrade SharePoint Products. An exception of type System.Data.SqlClient.SqlException was thrown. Additional exception information: The operation cannot be performed on database “<SharePoint_UsageAndHealth>” because it is involved in a database mirroring session. 

ALTER DATABASE statement failed.

Total number of configuration settings run: 3
Total number of successful configuration settings: 2
Total number of unsuccessful configuration settings: 1
Successfully stopped the configuration of SharePoint Products.
Configuration of SharePoint Products failed. Configuration must be performed before you use SharePoint Products. For further details, see the diagnostic log l
ocated at D:\Logs\SharePoint\PSCDiagnostics_7_30_2014_15_23_59_204_130559607.log and the application event log.

As the error decribes it is due to a mirroring process on the SQL database. In my case it was the SharePoint Usage and Health service application database. As Microsofts best-practices describe: IT IS NOT RECOMMENDED to mirror the databases for this service applications.

Solution: The way to get past this issue is to BREAK – and not PAUSE – the database mirroring for the databases. Once this is done the SharePoint 2010 Products Configuration Wizard will succeed updating the Farm as designed. Once the update is succesfully applied the mirroring can be rebuild in SQL.


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