TheTextMessageEncodingBindingElementof
WCF supports only the UTF-8, UTF-16 and Big Endean Unicode encodings. If the
web service returns response in some other encoding e.g. ISO-8859-1 need to be
consumed in BizTalk Server 2010 then the following error get logged in the
event viewer:
System.ServiceModel.ProtocolException:
The content type text/xml of the response message does not match