ConnectionOptions conn = new ConnectionOptions();
            conn.Impersonation = ImpersonationLevel.Impersonate;
            conn.Authentication = AuthenticationLevel.Default;

           // Create a management scrope into the Exchange WMI namespace
            exmangescope =
                new System.Management.ManagementScope(@"\.RootMicrosoftExchangeV2");

            // Create a query to get the data from the Exchange WMI //List
            System.Management.ObjectQuery objquery =
                new System.Management.ObjectQuery("Select * FROM Exchange_Queue");

            // Retrieves a collection of management objects based on the query.
            System.Management.ManagementObjectSearcher objsearch =
                new System.Management.ManagementObjectSearcher(exmangescope, objquery);

            System.Management.ManagementObjectCollection queryCollection1 = null;

            // Invokes the WMI query and returns the resulting collection.
            try {
                queryCollection1 = objsearch.Get();
            } catch (System.Runtime.InteropServices.COMException comEx) {
                log4.Debug("ExchangeQueue 2003 receiving queues", comEx);
               throw comEx;
            }


            // Loop through each item in the collection

            log4.Debug( "QueueCount:" + queryCollection1.Count );
            foreach (System.Management.ManagementObject instmailbox in queryCollection1) { do Stuff}