How to enable the use of GET, HEAD, POST, PUT, DELETE, PATCH requests on a Plesk

[Administrator]

Answer
I. Enable HTTP methods in IIS:

Connect to the Plesk server via RDP.

Launch Internet Information Service (IIS) Manager at Windows Start > All Programs > Windows Administrative Tools.

In IIS Manager, expand SERVERNAME > Sites > click on example.com > Handler Mappings (under IIS).

Find the handler which is used by the website and double-click on it.

For example, if this is a PHP website, double-click on PHP-php.

Click Request Restrictions....
Switch to the Verbs tab.

Add required verbs in to the verbs field, for example: