Symptoms

Assume that you are using a Microsoft SQL Server 2012 Analysis Service (SSAS 2012) or SQL Server 2014 Analysis Service (SSAS 2014) instance. When a cube writeback commit transaction and batch processing are executed concurrently, your SSAS instance crashes.

Resolution

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

Cumulative Update 2 for SQL Server 2014 SP1

Cumulative Update 6 for SQL Server 2014

Cumulative Update 4 for SQL Server 2012 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:



Status

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

References

For more information about a similar issue, see the following Knowledge Base article:

KB 3006838 FIX: Instance of SSAS 2012 crashes when cube writeback commit and processing transactions are executed at the same time

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