Symptoms
Assume that you have applied the Cumulative Update 3 (CU3) for Microsoft SQL Server 2014. You try to host a Master Data Services (MDS) database on an instance of SQL Server that uses the "Enterprise Edition: Core-based Licensing" edition. When you browse to a MDS website, you receive the following error message:
The current SQL Server edition is not supported by MDS
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 4 for SQL Server 2014 /en-us/help/2999197
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.