>>>If you don't care about existing WinXP installation, go ahead. Windows 7 will replace WinXP, not upgrade it. You'll lose all the settings and data.
>>
>>Ok, no problem with the settings. But, what about the data. Do you mean this will reset my entire drive so I will loose everything I have installed on it?
>
>I insatlled Win 7 Professional on my XP box.. It keeps a copy of the Windws XP "Windows" folder in a folder named "Windows.old". It looks like anything *outside* of that folder tree was erased. See screenshot of what I have after the Win 7 install.
>
>Everything that was in those folders is still there. On my machine, that takes up 49GB of my disk!!! I imagine after a few weeks, I'll delete that once I'm sure I don't need to get to any of it.

Do the programs work or you need to re-install SQL Server, etc. ?