Microsoft distributes Microsoft SQL Server 2008 R2 Service Pack 1 (SP1) and Microsoft SQL Server 2012 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 R2 Service Pack 1 (SP1) and Microsoft SQL Server 2012 fix release.
Symptoms
Consider the following scenario:
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You execute a CLR stored procedure or function that references a user-defined table-type parameter.
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The stored procedure is altered, or you run a DBCC FREEPROCCACHE command that clears the execution plan of the stored procedure.
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You run the CLR stored procedure again.
In this scenario, the CLR stored procedure is not executed and an access violation occurs.
Resolution
Cumulative update information
SQL Server 2008 R2 Service Pack 2
The fix for this issue was first released in Cumulative Update 1 for SQL Server 2008 R2 Service Pack 2. For more information about how to obtain this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:
2720425 Cumulative Update package 1 for SQL Server 2008 R2 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 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:
2730301 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 Service Pack 2 was released
SQL Server 2012
The fix for this issue was first released in Cumulative Update 2 for SQL Server 2012. For more information about how to obtain this cumulative update package for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
2703275 Cumulative update package 2 for SQL Server 2012Note 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 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:
2692828 The SQL Server 2012 builds that were released after SQL Server 2012 was released
SQL Server 2008 R2 SP1
The fix for this issue was first released in Cumulative Update 7. For more information about how to obtain this cumulative update package for SQL Server 2008 R2 Service Pack 1, click the following article number to view the article in the Microsoft Knowledge Base:
2703282 Cumulative update package 7 for SQL Server 2008 R2 SP1Note 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 Service Pack 1 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:
2567616 The SQL Server 2008 R2 builds that were released after SQL Server 2008 R2 SP1 was released
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
