When running the configuration wizard, after finishing the process, the error shown below might be seen and the PVS server will not be joined correctly to the farm.

To overcome this issue either fix the database mirroring configuration on the SQL Server side or do not select mirroring while running the configuration wizard.
 

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Problem Cause

This issue can happen when SQL Database mirroring is selected in the configuration wizard but database mirroring is not configured correctly on the SQL server side.

The root cause for the issue is that the account used to run the configuration wizard has access to the primary SQL Server, but that same account does not have access to the second SQL Server.
When the Configuration Wizard fails to connect to the second SQL Server in the mirror, the entire process fails.