Installing ColdFusion on IIS 7 + Configure IIS for ColdFusion in Windows Vista and Windows Server 2008
When installing ColdFusion on Vista or on Windows Server 2008 you may receive HTTP 404.3 Error, similar to this one: HTTP Error 404.3 - Not Found The page you are requesting cannot be served because of the extension configuration. If the page is a script, add a handler. If the file should be downloaded, add a MIME map. Additionally if you run ColdFusion Web Server Configuration Tool, you will see a message saying that IIS components are being installed and could take between 2 to 5 minutes of time. You can resolve this error by making sure that the two required components of IIS are installed on your system. Namely: ISAPI Extensions IIS Metabase and IIS 6 configuration compatibility.