Introduction: Post some mishaps trying to get IIS back working on one of our servers. Btw, the OS is a MS Windows 2012 running IIS 8. Error Message: But, when we train a web browser against the web site, we are getting an error. Here is the error message: Error Message - Caption Most … Continue reading Microsoft – Internet Information Server (IIS) – Error – 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.