"Colin Barnhorst" <colinbarharst@msn.com> wrote in message
news:E6D1F8A8-CD1A-4437-9208-D66B8C55C580@microsoft.com...
>
> An upgrade dvd will boot the system. However when you type in the upgrade
> product key you will be prompted to reboot and run Setup from your legacy
> system desktop.
I have wondered what would happen if you booted from an Upgrade disc but
didn't enter a product key. Would Vista install? Assuming it would, what
would happen when an (upgrade) key is then entered? This question applies to
both 32 and 64-bit versions