When you view a report from Quest Knowledge Portal or Report Manager, you may receive an error message similar to the following:
Execution '<SessionID>' cannot be found (rsExecutionNotFound).
You will also see the following message reported in the Reporting Services error log:
e ERROR: Reporting Services error
Execution '<Session ID>' cannot be found
If you browse directly to the ReportServer virtual directory and view the report, it works correctly.
The issue usually happens when the following conditions are true:
Aspnet.config file contains an element called <legacyImpersonationPolicy> that controls how impersonation works with a Web method call. When Exchange 2007 is installed it modifies this setting to false. The side effect of this change is that Reporting services fails to properly impersonate th
You can use one of the following options to resolve the problem: