Upgrading XP to Vista question

[mac]

I have a Vista Ultimate ed DVD (with two additional Premium Keys).

I used it to upgrade an XP system and installed Vista Premium . It did not
asked me for what version to isntall. How do I use the DVD to upgrade to
Ultimate Ed after I already have Preimum installed? Do I need to call MS?

mac

 

[Peter]

You need to get Ultimate keys. It's that key that decides the version to
install.

 

[mac]

Then I made a mistake. The first Key (the one in the plastic case) I used
it for a premium upgrade. Maybe I need to call MFT and explain? Can I
change (swap) Keys in already installed PCs?

mac

 

[Mick Murphy]

All vista versions are on the one disk.
The Key determines which is installed.

32bit and 64 bit are on seperate Disk.

 

[Peter]

You are going to have to call MSFT and figure out what to do. Either way
you are going to have to reinstall.

 

[Not Even Me]

I have a Vista Ultimate ed DVD (with two additional Premium Keys).

I used it to upgrade an XP system and installed Vista Premium . It did
not
asked me for what version to isntall. How do I use the DVD to upgrade to
Ultimate Ed after I already have Preimum installed? Do I need to call
MS?

mac

The key you use determines the version installed.
All the versions are on the DVD.

I wouldn't consider going from XP to Vista an upgrade though...