Assume that you use a Multidimensional instance of SQL Server Analysis Services. After you ProcessUpdate a dimension, the Multidimensional Expressions (MDX) LastChild function may return incorrect result.
This problem was fixed in the following cumulative update 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:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
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Article ID: 3183686 - Last Review: Jan 17, 2017 - Revision: 4
Microsoft SQL Server 2012 Service Pack 3, Microsoft SQL Server 2012 Service Pack 2, Microsoft SQL Server 2012 Analysis Services, Microsoft SQL Server 2014 Business Intelligence Community Technical Preview 2, Microsoft SQL Server 2016 Service Pack 1