"Clint" <Clint@discussions.microsoft.com> wrote

>A couple of weeks ago I upgraded my PC to Windows Vista Ultimate.
>Previously
> it was running on an OEM version of Windows XP Professional which came
> with
> my system.
>
> I have just tried to install Windows XP under Virtual PC 2007, however it
> will not accept the product key, which was always valid whenever I had to
> reinstall XP on my PC.
>
> Can anyone help?

Was Vista an upgrade version and if so what OS was used as the qualifying
OS? If it was that OEM version of XP, then by the license it can't be
installed or run while that Vista version is installed.

--
Rock [MS-MVP User/Shell]