Mark said:
To be absolutely clear.
I have a valid copy Windows XP OEM. I'm rebuilding the computer for Vista.
I'd like to to purchase "Microsoft Windows Vista Home Premium UPGRADE [DVD]"
(not OEM) and use that to do a clean install on an unformatted drive using
the old OEM XP CD as proof for the upgrade (don't want the old OS on the hard
drive)
The old way of doing this was to boot your upgrade CD and during the
installation it asks you to insert the old OS installation CD to prove that
you own it. I want to know if that is still the way it works and that the
upgrade noted above will accept an OEM CD as proof of previous operating
system.
No, that's not the way it works, anymore. The Vista Upgrade DVDs were
intended to have been specifically designed to be installed only from
within the earlier, qualifying OS, which must have been activated and
validated by WGA. The upgrade setup routine won't ask you to insert a
disk from an earlier OS, nor allow this sort of validation.
However, a clean installation using a Vista Upgrade DVD is currently
possible, though there's no telling how long it will take for Microsoft
to fix this "oversight:"
Paul Thurrott's SuperSite for Windows: How to Clean Install Windows
Vista with Upgrade Media
http://www.winsupersite.com/showcase/winvista_upgrade_clean.asp
NOTE: This method is *not* supported by Microsoft.
--
Bruce Chambers
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