How to enable Remote Desktop on Windows 2008 Server Core?
Here’s how to enable remote desktop on Server Core:
For Windows Vista and 2008, type in the following command at the command prompt.
Cscript %windir%\system32\SCRegEdit.wsf /ar 0
For earlier version of Windows, (e.g. Windows XP/2003/2000) type in the following commands.
Cscript %windir%\system32\SCRegEdit.wsf /ar 0
Cscript %windir%\system32\SCRegEdit.wsf /cs 0