WCF charset=utf-8 of the response message does not match the content type of the binding (application/soap+xml; charset=utf-8)

Question

I\'m hosting a WCF service in IIS 7.5 using .NET 4.0. I also have a WPF application that I am using as my client that was built with Visual Studio 2010 and .NET 4.0. I add

Answer 1

As Steven Westbrook says in a comment on this answer:

Add ?wsdl to your client's endpoint address, and you should have more luck with the service. ?wsdl is important - it means the browser is just getting "Web Services Description Language" for the service, and not calling the service.

I had the same issue and adding ?wsdl solved my headache.