On Tue, 2012-01-03 at 11:55 -0800, Richard Kojedzinszky wrote: > bootloader = "/usr/lib/xen-4.0/bin/pygrub" Ok, let me see if I can get a Xen 4 Dom0 working in the cluster today. I don't think that I've seen any issues with a Xen 3.4.3 Dom0. Sean