the messages when EM and Agent can not connect

Document ID : KB000095789
Last Modified Date : 06/08/2018
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Question:
How do we check to connect / disconnect between EM and Agent? Can we get a messages in log file?
Answer:
Agent disconnected to EM: 
[WARN] [IntroscopeAgent.ConnectionThread] Failed to re-connect to the Introscope Enterprise Manager at <EM_HOST>:<EM_PORT>,com.wily.isengard.postofficehub.link.net.DefaultSocketFactory (1). 

Agent connected to EM:
[INFO] [IntroscopeAgent.IsengardServerConnectionManager] Connected controllable Agent to the Introscope Enterprise Manager at <EM_HOST>:<EM_PORT>,com.wily.isengard.postofficehub.link.net.DefaultSocketFactory. Host ="<Agent_Host>", Process = "<Agent_Process>", Agent Name = "<Agent_Name>", Active = "true". 

EM was disconnected from Agent: 
[INFO] [PO Route Down Executor] [Manager] Lost connection at: Node=Agent_6, Address=<Agent_Host>/<Agent_Ip>:<Agent_Port>, Type=socket 
[INFO] [PO Async Executor] [Manager.Agent] Disconnected from Agent "<Agent_Name>" 

EM was connected from Agent: 
[INFO] [PO:WatchedAgentPO Mailman 2] [Manager.Agent] Connected to Agent "<Agent_Name>" at "Node=Agent_7, Address=<Agent_Host>/<Agent_Ip>:<Agent_Port>, Type=socket" using Agent protocol revision 1.0