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.
Symptoms
Consider the following scenario in Microsoft SQL Server 2008 or in Microsoft SQL Server 2008 R2:
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You configure a transactional replication for a database.
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The database is configured by using the read_committed_snapshot option.
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The replication is configured to use the native sync_method. Then, the replication subscribers are initialized and a snapshot is generated for the replication.
In this scenario, the distribution agent fails with error code 20598. Additionally, you may receive one of the following error messages:
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<Date Time> spid<ID> Replication-Replication Distribution
Subsystem: agent <Agent Name> failed. The row was not found at the Subscriber when applying the replicated command. -
<Date Time> spid<ID> Error: 14151, Severity: 18, State: 1.
<Date Time> spid<ID> Replication-Replication Distribution
Subsystem: agent <Agent Name> failed. Violation of PRIMARY KEY constraint '<Primary key name>'. Cannot insert duplicate key in object '<table in subscriber>'.
Cause
This issue occurs because a lock is missing when the snapshot is generated for the replication.
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.
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 2Note 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
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 SQL Server Replication, visit the following Microsoft Developer Network (MSDN) website:
SQL Server replicationFor more information about Snapshot Isolation, visit the following MSDN website:
Snapshot isolationFor 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:
822499New naming schema for Microsoft SQL Server software update packagesFor 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
