If I'm not mistaken, this serial number or whatever is the four bytes at offset 0x01B8 in the Master Boot Record; you can change it with a disk editor. (That was the only obstacle of copying my properly set up Windows XP to my PC at work, file by file, and then make it work...

Took two hours to find out.)
What are you doing anyway? Moving Windows NT/2000/XP/2003 manually to another hard disk or PC, imaging/restoring stuff with Norton/Symantec Ghost or similar?
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Joe Forster/STA
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