Why can I install ESXi 4.0 but not use a Guest 64 Bit OS?

Im trying to add a 64 Bit OS to a ESXi 4.0 installation on my IBM X Series Server.

It says that "The Destination does not support 64 Bit Operating Systems", but i thought your processor had to be compliant to install ESXi 4.0 anyway?

I have a CORE 2 DUO 2.5 GHz installed on the server.

Can anyone help?
demon90kAsked:
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za_mkhIT ManagerCommented:
If you log into your BIOS on the HOST server, check that Intel VT is enabled. I think that needs to be set.
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demon90kAuthor Commented:
Oh man..... just realised my processor is from the E7000 family...... which doesnt support VT!

What a joke!  

32-Bit it will have to be!

Thanks for your help :)
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