4.3.7 Response Using the x-irm-unknown-failure Header

The IRM system experienced an unknown failure, so the protocol server responds with the following.

 HTTP/1.1 409 CONFLICT
 Date: Thu, 13 Mar 2008 16:09:43 GMT
 Server: Microsoft-IIS/6.0
 Cache-Control: private
 Content-Length: 0
 Public-Extension: http://schemas.microsoft.com/repl-2
 x-irm-unknown-failure: Error in IRM