FIX: A SQL Server 2008 Analysis Services server may stop responding when you try to run an MDX query that uses cell security

When you try to run a Multidimensional Expressions (MDX) query that uses cell security, the Microsoft SQL Server 2008 Analysis Services server may stop responding. If you run the query in SQL Server Management Studio, you may receive the following error message: When this problem occurs, the following event may appear in the Application log:

Event Type: Error
Event Source: Instance_Name
Event Category: (256)
Event ID: 22
Date: date
Time: time
User: N/A
Computer: localhost
Description:
The description for Event ID ( 22 ) in Source ( Instance_Name ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: Internal error: An unexpected exception occurred.

The fix for this problem was first released in Cumulative Update 1. For more information about how to obtain this cumulative update package for SQL Server 2008, click the following article number to view the article in the Microsoft Knowledge Base: Note 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 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:

To work around this problem, set the following value in the Msmdsrv.ini file: The Msmdsrv.ini file is in the folder in which you installed Analysis Services. For example, the Msmdsrv.ini file may be in the following folder:

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

For more information about what files are changed, and for information about any prerequisites to apply the cumulative update package that contains the hotfix that is described in this Microsoft Knowledge Base article, click the following article number to view the article in the Microsoft Knowledge Base:

For more information about the list of builds that are available after the release of SQL Server 2008, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base: For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: