PUT HTTP requests fail on a domain on a Plesk for Windows server: HTTP Error 405 (Method Not Allowed)

Symptoms

When using a PUT HTTP method in an application, one of the following errors is shown:

405 - HTTP verb used to access this page is not allowed.

HTTP Error 405.0 - Method Not Allowed

Cause

The WebDAV handler conflicts with PHP/.NET Core handler.

Resolution

Disable the WebDAV module and handler and its headers from the website configuration:

1. Log in to Plesk.

2. Open the domain's web.config file at Domains > example.com > File Manager.

3. Find the section <system.webServer> and add the following content under it:

   <system.webServer>
       <modules>
           <remove name="WebDAVModule" />
       </modules>
       <handlers>
           <remove name="WebDAV" />
       </handlers>