I think I know the root cause for my host issues: I am getting these messages from the cloudstack management server. This starts happening a few minutes after a host is added to cloudstack. Hosts are running Ubuntu 12.04 - and 4.0.0-incubating.20121024195401 2012-12-07 21:34:39,326 INFO [cloud.api.ApiServer] (catalina-exec-10:null) expired session, missing signature, or missing apiKey -- ignoring request...sig: null, apiKey: null 2012-12-07 21:34:44,318 INFO [cloud.api.ApiServer] (catalina-exec-13:null) expired session, missing signature, or missing apiKey -- ignoring request...sig: null, apiKey: null 2012-12-07 21:34:49,325 INFO [cloud.api.ApiServer] (catalina-exec-14:null) expired session, missing signature, or missing apiKey -- ignoring request...sig: null, apiKey: null 2012-12-07 21:34:54,322 INFO [cloud.api.ApiServer] (catalina-exec-11:null) expired session, missing signature, or missing apiKey -- ignoring request...sig: null, apiKey: null 2012-12-07 21:34:59,327 INFO [cloud.api.ApiServer] (catalina-exec-15:null) expired session, missing signature, or missing apiKey -- ignoring request...sig: null, apiKey: null Any change to the host state (let say I put it into maintenance), makes it impossible for the host to ever rejoin cloudstack. Trevor Francis Partner 46 Labs | PeerEdge Cloud Switch (PeCS) http://www.46labs.com | http://www.peeredge.net 720-214-3643- Voice tre...@46labs.com Solutions Provider for the Telecom Industry ![]() ![]() |