Microsoft .Net Framework version 1.1 must be installed on the IIS server that hosts Reports (9830)

When running MessageStats Report the following Error is reported:

Microsoft .Net Framework version 1.1 must be installed on the IIS server that hosts this application. Microsoft ASP.NET must also be enabled on the virtual directory that contains this application. Please consult the readme file for information on how to properly configure the IIS server.

If the MS .NET Framework v1.1 and ASP.NET is installed and enabled then the IIS Mappings for ASP.NET requires a repair. Please follow the instructions below.

To correct this problem, re-register ASP.NET

The following procedure (based on the procedure given in Microsoft Knowledge Base article 306005) will correct the problem.

To fix IIS mappings for ASP.NET, follow these steps:

1. Run the Aspnet_regiis.exe utility:
a. Click Start, and then click Run.
b. In the Open text box, type cmd, and then press ENTER.
c. At the command prompt, type the following, and then press ENTER:
"%windir%\Microsoft.NET\Framework\version\aspnet_regiis.exe" -i

In this path, version represents the version number of the .NET Framework directory that is installed on the server. Must replace this placeholder with the actual version number when typing the command.

2. Register the Aspnet_isapi.dll:
a. Click Start, and then click Run.
b. In the Open text box, type the following, and then press ENTER:
regsvr32 %windir%\Microsoft.NET\Framework\version\aspnet_isapi.dll
Regsvr32 returns the results of the registration.

3. Restart the IIS Service.
a. Click Start, and then click Run.
b. In the Open text box, type the following, iisreset and then press ENTER

This will resolve the error being reported.