64 Bit System Builder key on 32 Bit?

[Hal9000]

Hello!
I bought a Vista Ultimate 64 Bit System Builder, and an Ultimate 32 Bit
System Builder DVD. So I have two product keys.
BUT: can I use both keys to install the 32 bit version, and keep the 64 bit
DVD for future use? It turned out I can't use 64 bit for now due to Cisco
VPN...
hal

 

[Max]

Chances are, you can, yes.
From what I understand, there is no difference between a product key for a
32 bit vs. a 64 bit version of the same flavor of Vista.

 

[John Whitworth]

Chances are, you can, yes.
From what I understand, there is no difference between a product key for a
32 bit vs. a 64 bit version of the same flavor of Vista.

So the 64-bit key will have been 'spent' already on the 32-bit OS? Therefore
you may have activation issues when trying to reuse the product keys.

JW

 

[Max]

That is a possibility. The 'Activate by phone...' option may have to be
used--with some potential explaining to a live service rep. Time will tell
if this is successful.

 

[Guest]

John & Max

And to add to that, they're both OEM's & will
be tied to the original machine they're installed on.

Or is it, 'you can move the OEM' once ?

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[Max]

Yup. Knew that. But in this situation (as described by the OP), it IS the
same, original, machine. Would just be going from 32 to 64 bit. I would
think (hope?) that there would be some phone authorization wiggle room to
allow for this--OEM or not--as long as it is still One Machine, One
License/PK.
Technically and legally (EULA-wise), no, I don't think so--OEM/System
Builder copies cannot be 'moved' or transfer the license to another machine.
Hence the Grey Area in this scenario.