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Article ID: 948578 - Last Review: February 26, 2008 - Revision: 1.1

Bug: #50002255 (SQL Hotfix)
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

In Microsoft SQL Server 2005, you configure a merge publication that has at least two subscribers. For example, a merge publication has two subscribers that are named Sub1 and Sub2. You insert data in both the publisher and in the Sub1 subscriber. Then, you start merge agents for Sub1 and Sub2 to synchronize data at the same time. After both merge agents have successfully completed the synchronizations, some changes that are made to Sub1 are not transferred to Sub2. However, the data is correct on the publisher. Even when you run the merge agents again, the changes are not synchronized between Sub1 and Sub2.

CAUSE

This issue occurs because the merge agent of Sub1 is uploading its changes while the merge agent of Sub2 is downloading changes. When the merge agent of Sub2 starts downloading, the merge agent finds some open generations from Sub1 at the publisher. These generations are closed after the merge agent of Sub2 finishes downloading the changes. Therefore, these generations are skipped. Therefore, the data is not synchronized between Sub1 and Sub2.

RESOLUTION

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 2005 Service Pack 2, click the following article number to view the article in the Microsoft Knowledge Base:
946608  (http://support.microsoft.com/kb/946608/LN/ ) Cumulative update package 6 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.

WORKAROUND

To work around this issue, use one of the following methods:
  • Perform a dummy update on the rows that are not synchronized successfully at the publisher by using the sp_mergedummyupdate stored procedure.
  • Reinitialize the subscriber that is not synchronized successfully.

STATUS

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

MORE INFORMATION

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:
946608  (http://support.microsoft.com/kb/946608/LN/ ) Cumulative update package 6 for SQL Server 2005 Service Pack 2

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

APPLIES TO
  • 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
Keywords: 
kbsql2005repl kbhotfixrollup kbfix kbpubtypekc kbqfe kbexpertiseadvanced KB948578
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