Windows on Xen: Prerequisites
Before stepping into the brave new world of virtualized Windows, make sure that you've got a few things.
First, you're going to need a box that does HVM. (See Chapter 12 for details on what that is, how it works, and how to tell if you have it.) The box will also need enough free memory and storage for a Windows install—Xen can help to use resources more efficiently, but it's not magic. For example, we suggest that a Xen box running Windows Server 2003 domUs have 512MB of memory and about 10GB of hard drive space for each domU, plus 512MB and another 10GB for dom0. You might want to consult Microsoft's website for more specific system requirements or requirements for other Windows versions.
It might sound obvious, but ...
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