Yes. If the original install worked on your 'self built' machine, it will
work again on the second 'self built' system. If it has Not been 4 months
since the last 'authentication' you will need the 'phone in' option
available from the authentication dialog.
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Mark L. Ferguson
..
"Pendrak" <> wrote in message
news:9B6571BA-73F3-43A0-8F48-...
> I have been using Vista Ultimate on my 2 year old self built computer for
> six
> months. I would like to upgrade my motherboard, CPU, and RAM. Can I do so
> without purchasing a new license?