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FIX: The restore operation takes a long time when you restore a database that has query notification enabled in SQL Server 2005 or in SQL Server 2008

Extended support for SQL Server 2005 ends on April 12, 2016

If you are still running SQL Server 2005 after April 12, 2016, you will no longer receive security updates and technical support. We recommend upgrading to SQL Server 2014 and Azure SQL Database to achieve breakthrough performance, maintain security and compliance, and optimize your data platform infrastructure. Learn more about the options for upgrading from SQL Server 2005 to a supported version here.

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.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
In Microsoft SQL Server 2005 or in Microsoft SQL Server 2008, you enable query notification for a database, and you back up the database. However, when you try to restore the database from the backup file the regular startup process, and the startup process in the recovery phase take a long time to finish. Additionally, the following error messages are logged in the SQL Server 2005 Errorlog file:

Date Time SPID Query notification delivery could not send message on dialog '{Dialog ID}.'. Delivery failed for notification '?<qn:QueryNotification xmlns:qn="http://schemas.microsoft.com/SQL/Notifications/QueryNotification" id="2881" type="change" source="database" info="restart" database_id="7" sid="0x010500000000000515000000FA48F22A6990BA52422C73DFF9030000"><qn:Message>4a4c696b-645c-40fd-bfef-4f2bc7c599b4;eb99973e-3cc9-4c7e-b4b9-47d8cf590c43</qn:Message></qn:QueryNotification>' because of the following error in service broker: 'The conversation handle "<Conversation Handler>" is not found.'.
CAUSE
When you restore a database, SQL Server tries to redo all the query notification transactions as part of the database startup. However, the processing of query notifications may fail if there is no application listening for them any longer. This causes SQL server to log error messages to the Errorlog file for each query notification message delivery failure. If there are many query notification message delivery failures, SQL Server takes a long time to log all the error messages in the Errorlog file. This results in a bottleneck, and causes the recovery of the database to take a long time.
RESOLUTION

SQL Server 2005 Service Pack 3

The fix for this issue was first released in Cumulative Update 6 for SQL Server 2005 Service Pack 3. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
974648 Cumulative update package 6 for SQL Server 2005 Service Pack 3
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:
960598 The SQL Server 2005 builds that were released after SQL Server 2005 Service Pack 3 was released
Microsoft SQL Server 2005 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2005 Service Pack 3 hotfix to an installation of SQL Server 2005 Service Pack 3. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

The release version of SQL Server 2008

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

The fix for this issue was first released in Cumulative Update 8. 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:
975976 Cumulative update package 8 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 The SQL Server 2008 builds that were released after SQL Server 2008 was released

SQL Server 2008 Service Pack 1

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

The fix for this issue was first released in Cumulative Update 5 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:
975977 Cumulative update package 5 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.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
After you apply this hotfix, you must enable trace flag 4133 to enable the hotfix. After you enabe trace flag 4133, SQL Server will no longer log all error messages of query notification delivery failure in the Errorlog file. Therefore, this prevents the bottleneck that causes the performance issue.
REFERENCES
For more informationabout 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 informationabout how to obtain SQL Server 2005 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base:
913089 How to obtain the latest service pack for SQL Server 2005
For more information about the new features in SQL Server 2005 Service Pack 3 (SP3) and about the improvements in SQL Server 2005 SP3, visit the following Microsoft Web site: For more informationabout 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: 975089 - Last Review: 10/19/2009 10:38:28 - Revision: 1.1

Microsoft SQL Server 2005 Standard Edition, Microsoft SQL Server 2005 Developer Edition, Microsoft SQL Server 2005 Enterprise Edition, Microsoft SQL Server 2005 Standard X64 Edition, Microsoft SQL Server 2005 Standard Edition for Itanium-based Systems, Microsoft SQL Server 2005 Enterprise X64 Edition, Microsoft SQL Server 2005 Enterprise Edition for Itanium-based Systems, Microsoft SQL Server 2005 Workgroup Edition, Microsoft SQL Server 2008 Developer, Microsoft SQL Server 2008 Enterprise, Microsoft SQL Server 2008 Standard, Microsoft SQL Server 2008 Web, Microsoft SQL Server 2008 Workgroup

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