HTTP error 404.3-not Found The page you requested is not available due to an extended configuration issue. If the page is a script, add a handler. If you should download the file, add a MIME map.

WORKAROUND: Unable to provide the page you requested because of an extended configuration issue. If the page is a script, add a handler. If you should download the file, add a MIME map.

WindowServer2012 server, add a role after you install the. NETFramework and IIS, run the ASPX page to report the following error:

HTTP Error 404.3-not Found

The page you requested could not be supplied due to an extended configuration issue. If the page is a script, add a handler. If you should download the file, add a MIME map.

? The handler mappings may be missing. By default, the static file handler processes all content.
? The feature you want to use may not be installed.
? No corresponding MIME mappings are enabled for the site or application. (Warning: Please do not download for users.) Create MIME mappings for content such as ASPX pages or. config files. )
? If ASP. NET is not installed.

Workaround:

WINDOWSERVER2012:

Control Panel-"Enable or disable Windows Features-" Add roles or Features wizard-"role or feature-based installation-" next-"Next-" Web server (IIS)-"Web server-" application development, tick ". NET extensibility" and "ASP.", after saving, Restart the IIS server.

WIN7: Control Panel-turn on or turn off Windows features-Internet Information Services-Web services-application development features, tick ". NET extensibility" and "ASP.", and after saving, restart the IIS server.

HTTP error 404.3-not Found The page you requested is not available due to an extended configuration issue. If the page is a script, add a handler. If you should download the file, add a MIME map.