The information you want can be found on Microsoft's website at this link:
http://windowshelp.microsoft.com/Win...93bb81033.mspx

Lee Steele

"dirty old man" <abc@def.com> wrote in message
news:uqhdJezOHHA.448@TK2MSFTNGP04.phx.gbl...
>I am sorry if these questions have been asked before, but...
>
> 1) If I have Vista Business installed and purchase a key through
> Anytime Upgrade for Vista Ultimate, can I just insert the Vista
> DVD, supply the new key, and lay down Ultimate over the Business
> install, or will I have to wipe out Business and install Ultimate fresh
> with the new key?
>
> 2) If I decide to do a complete reinstall of Vista Ultimate, will I
> have to first install Vista Business and then use the Anytime Upgrade
> key to install Vista Ultimate?
>
> dom
>
>