Symptoms
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.
Resolution
This problem was fixed in the following cumulative update for SQL Server:
Cumulative Update 7 for SQL Server 2012 Service Pack 3
Cumulative Update 14 for SQL Server 2012 Service Pack 2
Cumulative update 3 for SQL Server 2014 SP2
Cumulative Update 10 for SQL Server 2014 SP1
Cumulative Update 1 for SQL Server 2016 Service Pack 1
Cumulative Update 4 for SQL Server 2016
About cumulative updates 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:
Latest cumulative update for SQL Server 2012 SP2
Latest cumulative update for SQL Server 2012 SP3
Latest cumulative update for SQL Server 2014 SP1/SP2
Latest cumulative update for SQL Server 2016
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.
