FIX: "Request timed out" error when you change security options for an MDS security group in SQL Server 2016 and 2017

Applies to: SQL Server 2016 Service Pack 1SQL Server 2016 DeveloperSQL Server 2016 Enterprise

Symptoms


When you connect to a Master Data Services (MDS) website and try to edit the security options for an MDS security group under Manage Groups, you may notice that the webpage first freezes, and later you may receive a "Request timed out" error.

Resolution


This issue is fixed in the following cumulative updates for SQL Server:

       Cumulative Update 4 for SQL Server 2017

       Cumulative Update 6 for SQL Server 2016 SP1

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


Learn about the terminology that Microsoft uses to describe software updates.