This is a supported configuration for VPC2007. The only potential gotcha
that I can think of is that if you need access to hardware that's not
supported in VPC, specifically, USB connected hardware.

<msnews.microsoft.com> wrote in message
news:eMqhfPtTHHA.2212@TK2MSFTNGP02.phx.gbl...
> Can Virtual PC 2007 (RC1), installed on Vista 64 bit, run 32 bit Windows
> XP? I may upgrade to Vista 64, however, have a few apps that only run on
> 32 bit XP. So, I thought I'd just use VPC 2007 64 bit and install a 32
> bit Win XP. Any thoughts?
>
>