1. Open Internet Services Manager
  2. Highlight the NetClassroom 7 Virtual Directory, right-click and select Properties
  3. On the Virtual Directory tab, click Configuration button
  4. On Application Configuration window, select the Mappings tab, and click Add button
  5. Click on Browse button located to the right of the Executable field
  6. Browse to and select the C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll file
  7. In the Extension field, type .aspx and click OK
  8. Click OK on the Application Configuration window
  9. Click OK on the NetClassroom 7 Properties window
  10. Restart IIS