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James is a big data and data warehousing technology specialist at Microsoft. He is a thought leader in the use and application of Big Data technologies, including MPP solutions involving hybrid technologies of relational data, Hadoop, and private and public cloud. Previously he was an independent consultant working as a Data Warehouse/Business Intelligence architect and developer. He is a prior SQL Server MVP with over 30 years of IT experience. James is a popular blogger ( and speaker, having presented at dozens of PASS events including the PASS Business Analytics conference and the PASS Summit. He is the author of the book “Reporting with Microsoft SQL Server 2012”. He received a Bachelor of Science degree in Computer Engineering from the University of Nevada-Las Vegas.

Missing Data Quality Service (DQS) buttons in Excel

The Master Data Services add-in for Excel has Data Quality Services functionality to help you match data before publishing it to the MDS repository.  When you make a connection, if a DQS database is installed on the same instance of SQL Server as the MDS database, you will be able to view DQS buttons on the ribbon.  If the DQS_Main database does not exist on the instance, these buttons are not displayed and data quality functionality is not available.

But what if the DQS database is installed on the same instance of SQL Server as the MDS database, but the buttons still do not appear? Here is another reason you may not see the DQS buttons in Excel:

In the Master Data Services Configuration Manager, go to the Web Configuration tab and choose the MDS website.  At the bottom of that page you will see a button “Enable integration with Data Quality Services”.  Click that button and you should now see the DQS buttons in Excel.  But what if you click that button and get an error:

“Error while trying to enable integration with Data Quality Services.
SQL Server returned the following error: Windows NT user or
group ‘DOMAIN\MDS_ServiceAccounts’ not found.  Check the
name again.”

Run this SQL to fix this issue:

use [DQS_MAIN]
exec sp_addrolemember @rolename=N’dqs_administrator’,@membername=N’MDS_ServiceAccounts’

More info:

DQS missing from Master Data Services Excel Add-in


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