Article ID: 956173 - View products that this article applies to.
When you try to uninstall Microsoft SQL Server 2008 Reporting Services from the server, you may receive the following error message:
Note Drive_Letter refers to the disc drive into which the SQL Server installation media is inserted.
An error has occurred:
Access to the path 'Drive_Letter:\WINDOWS\system32\perf-ReportServer-rsctr.dll' is denied.
This problem occurs when another process or application, such as Performance Monitor, may be running and using the Report Server performance counter (perf-ReportServer-rsctr.dll).
To resolve this issue, close or stop any process or application that may be using the Report Server performance counter, and then try to uninstall Report Server.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.