“405 method not allowed” in IIS7.5 for “PUT” method

Question

I use WebClient type to upload *.cab files to my server. On the server side, I registered a HTTP handler for *.cab file with the PUT method as below:

Answer 1

Often this error is caused by the WebDAV module that try to handle this kind of requests. An easy solution is to remove it from modules and from handlers of the system.webServer section just inside your web.config file. Here a configuration example: