The endpoint used for Visual Studio is http://uddi.microsoft.com/visualstudio/. When I tell that endpoint to search for all businesses starting with "cold," it only finds the three Web Services I registered: Account, Logon, and Report. To add a Web Reference to the Logon Web Service, I just click "Logon" to expand the node, and then "Favorites Web Service: Logon" to view the WSDL. At this point, I click "Add Reference" and I am ready to Logon to the Favorites Web Service.
If you have been following along up to this point, but do not have a Favorites license, just go to the Favorites Service Admin Console and sign up for one. You should get your password sent back to you within 15-30 minutes. To connect to the Logon Web Service using Visual Basic, the code is this simple: