Windows 2008 Core Installation - Change Computer Name

Number of examples out there for how to change a computer name, however, the commands leave something out.

You will see examples of netdom renamecomputer /newname:**new computer name**

Give that a shot, you should see an error along the lines of "The parameter /NewName was unexpected"

The proper format of the command is as follows:

netdom renamecomputer **old computer name** /NewName: **new computer name**

An easy way in the core installation to get your computer name is simply run:
ipconfig /all or hostname