I ran into this particular issue and didn’t find any answers to this specific question online. Here’s how I was able to accomplish this. A couple notes about my scenario: I used slsvcutil.exe to generate my service. I could not get connected to a service through “Add Service Reference” when connecting from outside the ISA server protected connection. This connection was tested and successfully retrieved data from a Windows Phone 7 device. I figured on the scale of success this was the platform that...