Does this mean that, in an example, if I am running XP Pro and want to upgrade to Vista Home Premium, if I boot with the Vista DVD, that it will see there is a qualifying XP installed on the C: drive (lets assume there is only one partition on the drive and no second hard drive), that Vista setup will allow me to reformat the drive and make a clean install (with nothing left from the previous XP Pro install) of Vista on that drive?

"Colin Barnhorst" <colinbarharst@msn.com> wrote in message news:D3B1BD07-AECC-4E23-8486-FE5E98ED803B@microsoft.com...
If (2) holds true for all the yellow dots, it would mean that you can do a
classic clean installation of Vista as long as running from the desktop is
not required because (a) the legacy OS is not running (and therefore the
system drive can be formatted) and (b) the Advanced Options are available
when booting with the dvd.