Windows Server 2003 provides the ability to connect to the console (session 0) of a computer by using a Remote Desktop connection.
There are two ways to accomplish this.
1. Using the following command "mstsc /console".
2. Using the Remote Desktops MMC Snap-in, "tsmmc.msc". This is include with a 2003 Server install or can be added to XP with "Adminpak.msi" (Windows Server 2003 Administration Tools Pack for XP)
Ref:------------------------Windows Server 2003 Administration Tools Pack Download for XP'
Remote Desktops MMC Snap-In from Windows Server 2003 Administrative Tools'
How to Connect to and Shadow the Console Session with Windows Server 2003 Terminal Services '