KB2770630 - FIX: Error message when you run UPDATE CUBE and SELECT MDX statements at the same time in SSAS 2008 R2

Symptoms

Assume that you have multiple UPDATE CUBE and SELECT Multidimensional Expressions (MDX) statements in Microsoft SQL Server 2008 R2 Analysis Services. When you run the statements at the same time, you may receive an error message that resembles the following:

Current session is no longer valid due to structural changes in the database.
Internal error: An unexpected exception


Resolution

Cumulative update information

Cumulative update 4 for SQL Server 2008 R2 Service Pack 2 (SP2)

The fix for this issue was first released in Cumulative Update 4. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

2777358 Cumulative update package 4 for SQL Server 2008 R2 Service Pack 2Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 R2 Service Pack 2 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2730301 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 2 was released

Status

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

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