Hi, i already opened a bug report in jira. https://issues.apache.org/jira/browse/CLOUDSTACK-9590
maybe anyone in mailing list can help. 1. first of all i add the host from cs management 2. Management Host cloudstack-setup-agent -m 192.168.85.25 -z 3 -p 3 -c 9 -g 6e6cff15-3183-3cca-9389-ed1a78f6236a -a --pubNic=cloudbr2 --prvNic=cloudbr0 --guestNic=cloudbr1 --hypervisor=kvm 3. agent will be dead after add to the host 4. restart agent 6. agent reconnect to server and wait with alert In cs manager I get the following error. 2016-11-14 16:44:56,034 WARN [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Monitor NetworkOrchestrator says there is an error in the connect process for 70 due to Unable to get an answer to the Check NetworkCommand from agent: 70 2016-11-14 16:44:56,034 INFO [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Host 70 is disconnecting with event AgentDisconnected 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) The next status of agent 70is Alert, current status is Connecting 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Deregistering link for 70 with state Alert 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Remove Agent : 70 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.ConnectedAgentAttache] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Processing Disconnect. 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.hypervisor.xenserver.discoverer.XcpServerDiscoverer 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.hypervisor.hyperv.discoverer.HypervServerDiscoverer 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.storage.secondary.SecondaryStorageListener 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.storage.listener.StoragePoolMonitor 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.vm.ClusteredVirtualMachineManagerImpl 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.security.SecurityGroupListener 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.deploy.DeploymentPlanningManagerImpl 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: org.apache.cloudstack.engine.orchestration.NetworkOrchestrator 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.SshKeysDistriMonitor 2016-11-14 16:44:56,040 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.router.VpcVirtualNetworkApplianceManagerImpl 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.storage.LocalStoragePoolListener 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.capacity.StorageCapacityListener 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.capacity.ComputeCapacityListener 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.SshKeysDistriMonitor 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.router.VirtualNetworkApplianceManagerImpl 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.storage.upload.UploadListener 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.network.NetworkUsageManagerImpl$DirectNetworkStatsListener 2016-11-14 16:44:56,041 DEBUG [c.c.n.NetworkUsageManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Disconnected called on 70 with status Alert 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.agent.manager.AgentManagerImpl$BehindOnPingListener 2016-11-14 16:44:56,041 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.consoleproxy.ConsoleProxyListener 2016-11-14 16:44:56,043 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Sending Disconnect to listener: com.cloud.storage.download.DownloadListener 2016-11-14 16:44:56,044 DEBUG [c.c.h.Status] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Transition:[Resource state = Enabled, Agent event = AgentDisconnected, Host id = 70, name = kvm03.oscloud.local] 2016-11-14 16:44:56,054 DEBUG [c.c.a.m.ClusteredAgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Notifying other nodes of to disconnect 2016-11-14 16:44:56,060 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Failed to handle host connection: com.cloud.exception.ConnectionException: Unable to get an answer to the CheckNetworkCommand from agent: 70 2016-11-14 16:44:56,064 DEBUG [c.c.a.m.AgentManagerImpl] (AgentConnectTaskPool-15:ctx-f99e936f) (logid:6cdf713e) Can not send command com.cloud.agent.api.ReadyCommand due to Host 70 is not up 2016-11-14 16:44:58,384 DEBUG [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-3:null) (logid:) SeqA 39-159363: Processing Seq 39-159363: { Cmd , MgmtId: -1, via: 39, Ver: v1, Flags: 11, [{"com.cloud.agent.api.ConsoleProxyLoadReportCommand":{"_proxyVmId":13179,"_loadInfo":"{\n \"connections\": []\n}","wait":0}}] } 2016-11-14 16:44:58,394 DEBUG [c.c.a.m.AgentManagerImpl] (AgentManager-Handler-3:null) (logid:) SeqA 39-159363: Sending Seq 39-159363: { Ans: , MgmtId: 3232257305, via: 39, Ver: v1, Flags: 100010, [{"com.cloud.agent.api.AgentControlAnswer":{"result":true,"wait":0}}] } I don't know why he cant get the check networkcommand. Anyone can help me? regards, Sven Vogel