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Assume that you have Microsoft SQL Server Analysis Services (SSAS) installed on SQL Server 2017. You run a particular Data Analysis Expressions (DAX) function like SUMMARIZECOLUMNS with a filter, for example: 


filter('Date of First Production','Date of First Production'[Month Number] = 1),
"X",'Production Work Orders'[Average of Production Start Delay Minutes (Production Work Orders)]

In this scenario, SSAS may crash, and you receive the following error message:

An unexpected exception occurred.

Additionally, a dump file is generated.

Note The process will succeed when you use the same DAX query with another filter.


This issue is fixed in the following update for SQL Server:

       Cumulative Update 7 for SQL Server 2017

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


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


Learn about the terminologythat Microsoft uses to describe software updates.

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