WCF client - why am I getting this error?

Question

I am trying to use a web service (https/ssl/basicHttpBinding). I add service reference without issues and call it asynchronously. I pass the instance of the client to the CallBack. I get this error when trying to get the result from the service at the CallBack:

Header http://schemas.xmlsoap.org/ws/2004/08/addressing:Action for ultimate recipient is required but not present in the message.

var Result = client.BeginTheServiceOperation(header, CallBack, client);

private static void CallBack(IAsyncResult ar)
{
   var client = ar.AsyncState as MyServiceSoapClient;
   var result = client.EndTheServiceOperation(ar); // ERROR OCCURS HERE
   Console.WriteLine(result);
}

What am I missing?

Thanks

Answer 1

It turns out that the service was expecting SOAP 1.1 and by default WCF uses SOAP 1.2. I needed to create a new custom binding, passing that configuration in and it all worked ok. This pointed me in the right direction: http://social.msdn.microsoft.com/Forums/en/wcf/thread/f3707303-4f35-4079-ac0b-eba4717cada8