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HTTP Error 404.3 – Not Found

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When accessing any PHP file on a windows Plesk server you receive an error as below.

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.

It is because PHP is not enabled for the domain.

1. Login to your plesk panel & access the option Web Hosting Settings.

windows web hosting

2. Tick the box which says PHP support & select the php version. It is always recommended to enable latest version of PHP from the dropdown.

enable PHP support

Click OK and you are done. PHP pages will be accessible now.


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