“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

I enabled the Failed Request Tracing, and got the following info:

 
  {00000000-0000-0000-0F00-0080000000FA}
  WebDAVModule
  16
  405
  Method Not Allowed
  0
  0
  
 

So, I uninstalled the WebDAVModule from my IIS, everything is fine now~

The IIS tracing feature is very helpful.