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Article ID: 970133 - Last Review: July 21, 2009 - Revision: 1.1

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.

SYMPTOMS

You create a compressed backup for a database in Microsoft SQL Server 2008. Then, the operation stops responding. However, you find that you cannot stop the backup process. If you examine the problematic process by running the EXEC sp_who2 command, you find that the process has the rollback status.

This issue is most likely to occur if the following conditions are true:
  • The I/O from the instance of SQL Server to the backup device is very slow.
  • There are many backup memory buffers.

CAUSE

This issue occurs because I/O buffers and the threads for the backup process are not always stopped correctly when the compressed backup operation is aborted.

RESOLUTION

SQL Server 2008

Important You must use this fix if you are running the release version of SQL Server 2008.

The fix for this issue was first released in Cumulative Update 6. 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:
971490  (http://support.microsoft.com/kb/971490/ ) Cumulative update package 6 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

SQL Server 2008 Service Pack 1

Important You must use this fix if you are running SQL Server 2008 Service Pack 1.

The fix for this issue was first released in Cumulative Update 4 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:
973602  (http://support.microsoft.com/kb/973602/LN/ ) Cumulative update package 4 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  (http://support.microsoft.com/kb/970365/LN/ ) 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.

WORKAROUND

To work around this issue, you have to restart the SQL Server service.

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

APPLIES TO
  • Microsoft SQL Server 2008 Standard
  • Microsoft SQL Server 2008 Developer
  • Microsoft SQL Server 2008 Enterprise
  • Microsoft SQL Server 2008 Workgroup
Keywords: 
kbsurveynew kbfix kbqfe kbexpertiseadvanced KB970133
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