This last post is an accurate answer to this scenario:
With Windows XP, only OEM multi-packs (\"Bulk Packs\") contain the OEM Preinstallation Toolkit. In XP, this includes the elusive \"Windows PE\" bootable CD, which brings a CD-based operating system up on a box in order to proceed with unattended installation procedures, etc. ( WinPE is strictly for OEMs and System Builders, so don\'t bother trying to find it if you are an everyday Joe User....)
*** As a side note, do NOT attempt to use XP\'s WinPE with a Win2K rollout, you will #@&%!@ DESTROY it if you try!!! ***
With both Windows XP and Win2K, the SUPPORT folder houses the necessary files to do unattended installations, andyone can do this; it\'s not limited to OEMs or System Builders. A quick search on Microsoft\'s TechNet website should give you scores of samples and documentation on deploying these O/S\'s via unattended installations.
Cheers!