Article ID: 945127 - Last Review: November 18, 2008 - Revision: 2.1

FIX: You may still experience the performance issue that is described in KB article 940945 after you install Cumulative Update 3 for SQL Server 2005 Service Pack 2 or after you install SQL Server 2008

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Bug #: 50002016 (SQL Hotfix)
Bug #: 50003229 (SQL Hotfix)

For SQL Server 2008

Microsoft distributes Microsoft SQL Server 2008 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 fix release.

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For SQL Server 2005

Microsoft distributes Microsoft SQL Server 2005 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 2005 fix release.

SYMPTOMS

Consider the following scenario. You experience the performance issue that is described in Microsoft Knowledge Base (KB) article 940945. Then, you install Cumulative Update 3 for Microsoft SQL Server 2005 Service Pack 2 or install SQL Server 2008. In this scenario, you may still experience the same performance issue.

For more information about KB article 940945, click the following article number to view the article in the Microsoft Knowledge Base:

940945 (http://support.microsoft.com/kb/940945/ ) FIX: Performance is very slow when the same stored procedure is executed at the same time in many connections on a multiple-processor computer that is running SQL Server 2005

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RESOLUTION

For SQL Server 2008

The fix for this issue was first released in Cumulative Update 2. 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:

958186 (http://support.microsoft.com/kb/958186/ ) Cumulative update package 2 for SQL Server 2008

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:

956909 (http://support.microsoft.com/kb/956909/ ) The SQL Server 2008 builds that were released after SQL Server 2008 was released

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For SQL Server 2005

The fix for this issue was first released in Cumulative Update 5. For more information about how to obtain this cumulative update package for SQL Server 2005 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

943656 (http://support.microsoft.com/kb/943656/LN/ ) Cumulative update package 5 for SQL Server 2005 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 2005 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:

937137 (http://support.microsoft.com/kb/937137/LN/ ) The SQL Server 2005 builds that were released after SQL Server 2005 Service Pack 2 was released

Microsoft SQL Server 2005 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2005 Service Pack 2 hotfix to an installation of SQL Server 2005 Service Pack 2. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

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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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MORE INFORMATION

For SQL Server 2008

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:

958186 (http://support.microsoft.com/kb/958186/LN/ ) Cumulative update package 2 for SQL Server 2008

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For SQL Server 2005

943656 (http://support.microsoft.com/kb/943656/LN/ ) Cumulative update package 5 for SQL Server 2005 Service Pack 2

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REFERENCES

For more information about the list of builds that are available after SQL Server Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

937137 (http://support.microsoft.com/kb/937137/LN/ ) The SQL Server 2005 builds that were released after SQL Server 2005 Service Pack 2 was released

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 (http://support.microsoft.com/kb/935897/LN/ ) An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems

For more information about how to obtain SQL Server 2005 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:

913089 (http://support.microsoft.com/kb/913089/LN/ ) How to obtain the latest service pack for SQL Server 2005

For more information about the new features and the improvements in SQL Server 2005 Service Pack 2, visit the following Microsoft Web site:

http://go.microsoft.com/fwlink/?LinkId=71711 (http://go.microsoft.com/fwlink/?LinkId=71711)

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 (http://support.microsoft.com/kb/822499/LN/ ) 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 (http://support.microsoft.com/kb/824684/LN/ ) Description of the standard terminology that is used to describe Microsoft software updates

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