What Happens When an Agent is Disconnected from an Enterprise Manager

Agents are disconnected from Enterprise Managers when, for example, they are load balanced or the Enterprise Manager goes down. Agents are also disconnected in specific situations when configuration changes instruct the Enterprise Manager to disallow the agents that had formerly been allowed to connect. The Enterprise Manager responds to the instructions by disconnecting connected agents now configured as disallowed.
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Agents are disconnected from Enterprise Managers when, for example, they are load balanced or the Enterprise Manager goes down. Agents are also disconnected in specific situations when configuration changes instruct the Enterprise Manager to disallow the agents that had formerly been allowed to connect. The Enterprise Manager responds to the instructions by disconnecting connected agents now configured as disallowed.
Valid for pre-9.1 agents:
These agents are disconnected from an Enterprise Manager when the following actions occur:
  • A property or loadbalancing.xml configuration changes the agent connection to the Collector from allowed to disallowed.
  • The Enterprise Manager to which the agents are connected is no longer available for connection.
Valid for 9.1 and later agents:
These agents are disconnected from an Enterprise Manager when there is a configuration change from allowed to disallowed and the introscope.enterprisemanager.agent.disallowed.connection.limit clamp value is hit.