This document will detail how to change the computer name of a Windows Server 2008 Core install using the "PowerShell"
1) First run a ipconfig /all and make a note of the current Computer Name (Host Name)
2) Enter the command
netdom renamecomputer <CurrentComputerName> /NewName:<NewComputerName>
3) Restart the computer using the command
shutdown /r /t 0
