If you need to connect to the console, start Remote Desktop from start run and use the console switch:

mstsc /console  /v 192.168.100.200:3389

详细的说明：运行 mstsc /? 得如下的用法说明

reffer: http://social.technet.microsoft.com/Forums/windowsserver/en-US/19a188a7-cafd-403a-b5e3-77e7c82dfbb2/can-vnc-server-run-on-windows-server-2008