Xen: Current OS Compatibility

Xen 3.0

Operating System	Runs as Dom0 (host os)	Runs as DomU(guest os)
Linux 2.6	Yes	Yes
NetBSD 3.0	No	currently broken? Actively being worked on
FreeBSD 5.3	No	currently broken? Actively being worked on
FreeBSD 7-CURRENT	no	can be patched; works. see http://www.fsmware.com/xenofreebsd/7.0/
Plan 9	No	currently broken?
ReactOS	No	planned, development stalled
Solaris 10	Unknown	Yes
Un-Modified OS	No	Initial support for unmodified guests when using Intel VTX hardware, e.g. Windows