Article ID: 2652024 - View products that this article applies to.
When you try to open a knowledge base (KB) for domain management or for other activities in the Data Quality Client in Microsoft SQL Server 2012, you receive the following error message:
A configuration with name 'RecentList:KB:domain\username' already exists in the database.
Message Id: ConfigServiceConfigurationAlreadyExists
This issue occurs because, although the comparison between the current logged user name and the list of recent user names is case-sensitive, the user name that is stored in an internal list of recent opened knowledge bases is not case-sensitive.
For example, you follow these steps:
Cumulative update information
SQL Server 2012The fix for this issue was first released in Cumulative Update 1. For more information about how to obtain this cumulative update package for SQL Server 2012, click the following article number to view the article in the Microsoft Knowledge Base:
2679368Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2679368/ )Cumulative Update package 1 for SQL Server 2012
(http://support.microsoft.com/kb/2692828/ )The SQL Server 2012 builds that were released after SQL Server 2012 was released
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To work around this issue, use one of the following methods: