Symptoms
After you install SQL Server 2016 Analysis Services (SSAS) or SQL Server 2014 Analysis Service in Multidimensional mode, SSAS may crash randomly, and you receive an access violation.
Resolution
This issue is fixed in the following cumulative updates for SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and security fixes that were in the previous build. 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.
References
Learn about the terminology Microsoft uses to describe software updates.