In this Blog entry I examine the Routing Group Connector in Exchange Server 2007. By default, the first Exchange 2007 Server introduced into an existing Exchange 2003 Organization generate a Routing Group Connector. This Routing Group Connector (RGC) 'routes' SMTP messages, and Public Folder Referrals from the existing Exchange 2003 Organization to the newly created Exchange 2007 Organization server(s). Use of the Exchange Management Console, Exchange Management Shell and Powershell Commandlets is provided....