2003 32bit - 2012 64bit path

Hi - I have a windows server 2003 32 physical server that houses an in-house application and is on our corporate domain, and I'd like to attempt doing an upgrade to the current windows server 2012 64bit R2
The physical box most likely has a CPU that won't support 64bit OS, so I'm thinking to virtualize it in vmware and perform the upgrade that way, leaving the physical box safe from upgrade destruction.
I guess I had 2 questions,
1) when something becomes virtualized can you change the bit-ness of the OS? I mean, I suppose it would still be 2003 32bit that exists on the VM, but the fact that the VM is housed on an esx server that clearly can handle 64bit architecture am I safe to
assume I can install 64bit OS on the VM? Is this even a viable option?
2) Can you even do a straight upgrade from 2003 32 bit to 2012 R2 64 bit? This probably should have been the first question.
Thanks in advance - my first post please let me know if this is the wrong place to ask.

Hi - I have a windows server 2003 32 physical server that houses an in-house application and is
on our corporate domain, and I'd like to attempt doing an upgrade to the current windows server 2012 64bit R2
In-place upgrade is not supported from a 32bit OS to a 64bit one.
You will need to install a new server running Windows Server 2012 R2 and then proceed with a migration. Once done, you can decommission your old server.
This posting is provided AS IS with no warranties or guarantees , and confers no rights.
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