Hello Dan, I can't find a clue in the engine.log but I'm unable to start any VM on this host. Looks like it lost its connection to its datadomain entirely. Kind regards. 2014-08-28 15:12 GMT+02:00 Dan Kenigsberg <danken(a)redhat.com&gt;: On Thu, Aug 28, 2014 at 02:14:07PM +0200, Andy Michielsen wrote: > > Dear all, > > > > I need some help. I wanted to start a VM but got the following error. > > > > [image: Inline afbeelding 1] > > > > What's going on here ? How can I fix this. > > does engine.log have any clues regarding the falure to find a valid > host? Do you have guess (are they all operational? are they over-worked? >