From Rockford Lhotka's Expert C# 2005 and VB 2005 Business Objects books
An exception of type 'System.ServiceModel.ProtocolException' occurred in System.ServiceModel.dll but was not handled in user codeAdditional information: [UnexpectedHttpResponseCode]Arguments:Not FoundDebugging resource strings are unavailable. Often the key and arguments provide sufficient information to diagnose the problem. See http://go.microsoft.com/fwlink/?linkid=106663&Version=2.0.30226.2&File=System.ServiceModel.dll&Key=UnexpectedHttpResponseCode
<httpRuntime maxRequestLength="32678"/>