Symptoms
Assume that you use the Microsoft SQL Server 2016 and 2017 Analysis Services (SSAS) Multidimensional model. When you run an MDX query, you may notice that SSAS stops responding.
Resolution
This issue is fixed in the following cumulative updates for SQL Server:
Cumulative Update 7 for SQL Server 2017
Cumulative update 8 for SQL Server 2016 SP1
About cumulative updates for SQL Server:
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:
Latest cumulative update for SQL Server 2017
Latest cumulative update for SQL Server 2016
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.