If you have the requirement to consume a Web service from unmanaged/native code (like VB 6.0), your first thought might be to use the same tool we've used to do this for years: The SOAP Toolkit. Don't! As you can see from this link ... http://www.microsoft.com/downloads/details.aspx?familyid=c943c0dd-ceec-4088-9753-86f052ec8450&displaylang=en