Symptoms
Consider the following scenario:
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You are using Microsoft SQL Server 2012 or SQL Server 2014.
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You have an existing or newly restored DQS_MAIN database on your Data Quality Services (DQS) server.
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You execute the following query:
EXECUTE [internal_core].[RestoreDQDatabases] '<PASSWORD>'
In this scenario, you receive the following error:
The master key password is incorrect; please give the master key password which was given in the installation
Note The <PASSWORD> is set to the password for the database master key that you provided during the DQS server installation and it is correct.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 1 for SQL Server 2012 SP2 /en-us/help/2976982
Cumulative Update 2 for SQL Server 2014 /en-us/help/2967546
Cumulative Update 10 for SQL Server 2012 SP1 /en-us/help/2954099
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
