I spent some time trying to figure this one out. I had a web service that was written in Visual Studio 2005 Beta1. I was accessing this web service from an app that was written in Visual Studio 2003. When adding a web reference or updating the reference, I was getting the error; “Unable to download the following files. http://url_goes_here/servic... Do you want to skip these files and continue?” It turns out that the error is related to two values that are added the WebServiceBinding...