How to Enable HTTP PUT and DELETE Requests in ASP.NET MVC on IIS?

Enabling HTTP PUT and DELETE in ASP.NET MVC for IIS

When deploying an ASP.NET MVC application to IIS, enabling HTTP PUT and DELETE requests is crucial for supporting advanced functionality. To accomplish this:

1. Open IIS Manager and navigate to Handler Mappings.
2. Locate ExtensionlessUrlHandler-Integrated-4.0 and double-click it.
3. Select Request Restrictions... and add both DELETE and PUT to the Verbs tab.

Possible WebDav Publisher Issue

If you're running on a 2008 server, disable the WebDav role or remove it from your site configuration in the system.webServer -> Modules section:

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

Additional Notes:

• Ensure that your jQuery AJAX request is using the correct URL and data parameters.
• Verify that the server has the proper permissions to handle DELETE requests on the specified resource.

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