John Barnett MVP

The EULA say's No because you can only use a single copy of the software on
one machine. However, having said that, it has been done before. But now we
get onto the issue of upgrading the 'second' installation. When you upgrade
to Vista your XP licence key becomes part and parcel of Vista, therefore you
loose the use of that key ( I believe you can't even use the XP key again if
downgraded to XP at a later date.) Either way your Vista copy (which you
upgraded to from XP) would be legal, while the XP copy you initially
installed would not.

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John Barnett MVP
Associate Expert
Windows Desktop Experience

Web: http://xphelpandsupport.mvps.org
Web: http://vistasupport.mvps.org

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