這是網頁上註明的，我也不知道拿sp3的整合光碟來作會如何
手邊正好還留著原始的win2k就直接拿來用了
Requirements:
Original Windows 2000 CD
Service Pack 4 Network Install
Empty ISO Images
WinISO 5.3 or DirectISO 1.6 (This guide will be using WinISO)

這是之前整合sp3的時候 國外的網站教的方法，只要把Pid=52262"xxx"給改成270就好了
嗯 我還是把原文給po出來大家自己參照著看好了
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Get rid of the annoying product key prompt! Go to the your created i386 folder and find the setupp.ini file, remove the read-only attribute and open the file in notepad. Only use this if you have a licensed copy of Windows 2000.
Mine looks like this:
[Pid]
ExtraData=646E77637A6F6D79626A1D94089595
Pid=51873000

Change the last 3 digits of the Pid number to 270
Now it looks like this:

[Pid]
ExtraData=646E77637A6F6D79626A1D94089595
Pid=51873270

Note: This works on my MSDN version of Win2k If you get an error during windows setup about the product ID try using the exactly the same setupp.ini as mine and use my Volume label (later on this page).

Some visitors mailed me that this trick didn't work for them, so no guarantee!
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