Quoting from the Novell official announcement:
Novell and Intel Corporation today announced the availability of paravirtualized network and block device drivers that will allow Microsoft Windows Server 2000/2003/XP to run unmodified in Xen virtual environments on SUSE Linux Enterprise Server 10 from Novell, operating on Intel-based server platforms featuring Intel Virtualization Technology.
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Novell is sponsoring a virtualization pilot program for customers, providing enterprise-level support for running fully virtualized Windows 2000/2003/XP workloads on SUSE Linux Enterprise Server. The paravirtualized device drivers are now available to members of the pilot program. General availability is scheduled for later this year…