# Detecting Network Connection Failures with EMS ESB

If network issues disrupt the connection between EMS and Substation ES, unexpected errors might result if Substation ES does not detect the connection failure.

If a network issue occurs during the Substation ES run time, you can configure EMS to assist the Substation ES ESB in detecting the network connection failure. Substation ES then reports the correct ESB state and handles the ESB connections properly.

For best results, specify the following parameters and values in the EMS server configuration:

    server_heartbeat_client = 5
    client_timeout_server_connection = 20

For more details about these parameters, see the TIBCO Enterprise Message Service User’s Guide.

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