How to get PUT and DELETE verbs to work with WebAPI on IIS

Question

I am using WebAPI PUT and DELETE methods to perform actions from my website via AJAX using jQuery. My server is Windows Server 2008 R2 with Plesk installed. POST and GET r

Answer 1

For myself it wasn't enough to do everything @Luke was doing. I had to also go into my Programs and Features and and under Internet Information Services > World Wide Web Services > Common HTTP Features turn off WebDAV Publishing

That then fixed it for me.