Symptoms

When you create a Power BI report that executes a Data Analysis Expressions (DAX) query against Microsoft SQL Server 2014, 2016 and 2017 Analysis Services in Multidimensional mode (SSAS MD), you may notice that SSAS memory usage surpasses the configured HardMemoryLimit, and finally exhausts all the memory available.

The DAX query cannot be canceled, even at early stages.

Resolution

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

       Cumulative Update 13 for SQL Server 2017

       Cumulative Update 5 for SQL Server 2016 Service Pack 2

       Cumulative Update 13 for SQL Server 2016 Service Pack 1

       Cumulative update 8 for SQL Server 2016 SP1

       Cumulative Update 13 for SQL Server 2014 SP2

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

Latest cumulative update for SQL Server 2014

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 terminologythat Microsoft uses to describe software updates.

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