Microsoft KB Archive/933834

= Error message when you try to view a report after you install SQL Server 2005 SP2 on a computer that is running SQL Server 2005 Reporting Services: &quot;data extension is not installed&quot; =

Article ID: 933834

Article Last Modified on 3/27/2007

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APPLIES TO


 * Microsoft SQL Server 2005 Reporting Services

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SYMPTOMS
Consider the following scenario. You install Microsoft SQL Server 2005 Service Pack 2 (SP2) on a computer that is running Microsoft SQL Server 2005 Reporting Services. After the installation is complete, you try to view a previously deployed report. In this scenario, you receive the following error message:

data extension is not installed.

This problem occurs if the report uses a custom data processing extension.



CAUSE
SQL Server 2005 SP2 overwrites the existing Rsreportserver.config file by using a new Rsreportserver.config file. Therefore, the custom data processing extension no longer exists.



WORKAROUND
To work around this problem, manually add any custom data processing extensions in the original Rsreportserver.config file to the new Rsreportserver.config file.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
SQL Server 2005 SP2 also overwrites the Rssrvpolicy.config file by using a new Rssrvpolicy.config file. You must manually add any changes in the original Rssrvpolicy.config file to the new Rssrvpolicy.config file.

Keywords: kbsql2005rs kbexpertiseadvanced kbtshoot kbprb KB933834

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