Question : Remote command Prompt for Windows 2003 Server

Is their a Windows XP or Windows 2003 support tool that will allow me to open a command prompt on a remote windows 2003 server?

Answer : Remote command Prompt for Windows 2003 Server

You want to use PsExec which is part of PsTools and is freeware:
http://technet.microsoft.com/sv-se/sysinternals/bb896649(en-us).aspx