Client found response content type of 'text/html', but expected 'text/xml'

Question

I am getting this error:

Client found response content type of \'text/html\', but expected \'text/xml.

I am adding web reference

Answer 1

As Matt said, it's probably an error page coming back.

Either use a proxy like Fiddler or a network sniffer like WireShark to see what the raw response is - that should help you get to the bottom of what's going on.