I have done <clean > installs of windows 7 upgrade retail, both home 
premium, and PRO, and I have never been asked to validate with an 
install disk from a previous OS.

Mark Rode

At 12:05 PM 11/15/2011, you wrote:
>   I currently have a 3-partition drive w/ XP Pro, Vista Business, 
> and Data. My intent is to move the data to other disks, then wipe 
> all partitions for a clean Win7 Ultimate install, inserting the 
> Vista Business install disk when prompted.Â

                         PCBUILD's List Owners:
                      Bob Wright<[log in to unmask]>
                        Mark Rode<[log in to unmask]>