Microsoft KB Archive/839564

= BUG: An access violation exception may occur in the ASPNET_WP.exe process when you view a report that is based on an Oracle data source in SQL Server 2000 Reporting Services =

Article ID: 839564

Article Last Modified on 5/21/2004

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APPLIES TO


 * Microsoft SQL Server 2000 Reporting Services

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SYMPTOMS
When you try to view a report by using Report Manager, an access violation exception may occur in the ASPNET_WP.exe process that is running on your computer. You may not be able to view the report successfully, and you may receive the following error message:

Server Application Unavailable

The web application you are attempting to access on this web server is currently unavailable. Please hit the &quot;Refresh&quot; button in your web browser to retry your request.

Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.

This problem may occur if the report is based on an Oracle data source that uses the Microsoft OLE DB Provider for Oracle to access the data.

Note The same report may display correctly when you preview the report by using Report Designer.



WORKAROUND
To work around this problem, use the Microsoft .NET Managed Provider for Oracle to access the data.

To download the .NET Managed Provider for Oracle, visit the following Microsoft Web site:

http://www.microsoft.com/downloads/details.aspx?FamilyID=4f55d429-17dc-45ea-bfb3-076d1c052524&displaylang=en

For additional information about the system requirements for the .NET Managed Provider for Oracle, click the following article number to view the article in the Microsoft Knowledge Base:

322158 Features and limitations of the .NET Managed Provider for Oracle

Note After you install the .NET Managed Provider for Oracle, you must restart your computer.



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

Keywords: kberrmsg kbbug kboracle kbreport KB839564

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