FIX: SSAS 2012 or SSAS 2014 crashes when you execute an MDX query that contains lots of Union expressions Content provided by Microsoft Applies to: SQL Server 2012 Analysis ServicesSQL Server 2014 Business IntelligenceSQL Server 2014 Business Intelligence Select Product Version All Products Resolution Cumulative Update informationThe issue was first fixed in the following cumulative update of SQL Server. Cumulative Update 3 for SQL Server 2014 SP1 Cumulative Update 10 for SQL Server 2014 Cumulative Update 7 for SQL Server 2012 SP2 Recommendation: Install the latest cumulative update for SQL Server Status Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. Last Updated: Oct 19, 2015 Was this information helpful? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.