You receive inconsistent results or an Event ID 22 when you run a query for the first time in SSAS 2008 or SSAS 2008 R2

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Article ID: 2255410 - View products that this article applies to.
Microsoft distributes Microsoft SQL Server 2008 and Microsoft SQL Server 2008 R2 fixes as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 or SQL Server 2008 R2 fix release.
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SYMPTOMS

When you run a query for the first time in SQL Server 2008 Analysis Services (SSAS 2008) or in SQL Server 2008 R2 Analysis Services (SSAS 2008 R2), you may experience one of the following issues.

Note These issues do not occur if you run the same query again after the data is cached.
  • The query returns incorrect results.
  • SSAS stops intermittently. Additionally, an event message that resembles the following is logged in the Application log:
    Event Type: Error
    Event Source: MSSQLServerOLAPService
    Event Category: (256)
    Event ID: 22
    
    Description:
    The description for Event ID ( 22 ) in Source ( MSSQLServerOLAPService ) 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.
    

    Also, when you check the SSAS log, an entry that resembles the following may be logged in the SSAS log:

    Message: (Source: \\?\<Drive:>\Program Files\Microsoft SQL Server\MSAS10.<SSAS Instance Name>\OLAP\Log\msmdsrv.log, Type:3, Category:256, Event ID: 0xC1000016)

CAUSE

This issue occurs because of an error in the FusionOfStorageEngineSubspaces feature in SSAS. By default, the feature is enabled, and the expected behavior is that the feature optimizes query performance in SSAS.

RESOLUTION

Cumulative update information

SQL Server 2008 Service Pack 1

The fix for this issue was first released in Cumulative Update 9 for SQL Server 2008 Service Pack 1. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2083921 Cumulative update package 9 for SQL Server 2008 Service Pack 1
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. Microsoft recommends 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:
970365 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 1 was released
Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 1 hotfix to an installation of SQL Server 2008 Service Pack 1. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

SQL Server 2008 Service Pack 2

The fix for this issue was first released in Cumulative Update 1 for SQL Server 2008 Service Pack 2. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2289254 Cumulative update 1 for SQL Server 2008 Service Pack 2
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:
2402659 The SQL Server 2008 builds that were released after SQL Server 2008 Service Pack 2 was released

SQL Server 2008 R2

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, click the following article number to view the article in the Microsoft Knowledge Base:
2345451 Cumulative Update package 4 for SQL Server 2008 R2
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 R2 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:
981356 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 was released

WORKAROUND

To work around this issue, disable the FusionOfStorageEngineSubspaces feature SSAS. To do this, set the value to 0x1 for the DisableFusionOfStorageEngineSubspaces property in the Analysis Services configuration file (Msmdsrv.ini). Use this workaround with discretion because the query performance may be affected.

Note The Msmdsrv.ini file is usually located under the following directory:
%ProgramFiles%\Microsoft SQL Server\MSAS10.<AS Instance Name>\OLAP\Config

STATUS

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

REFERENCES

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:
935897 An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems
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:
822499 New naming schema for Microsoft SQL Server software update packages
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 2255410 - Last Review: March 30, 2012 - Revision: 6.0
APPLIES TO
  • Microsoft SQL Server 2008 Analysis Services
  • Microsoft SQL Server 2008 R2 Analysis Services
Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseadvanced KB2255410

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