article Agent not responding after IP or hostname change

If up.time has difficulty communicating with agents that have had their IP address or hostname changed, follow these steps to debug the issue:

  1. Confirm that the up.time hostname of the agent matches the new hostname or IP address.
  2. Try adding the full domain name to the hostname if it is not already entered.
  3. Restart the up.time data collector.
  4. Confim that the monitoring station is able to properly resolve the new IP / hostname by running the following commands from the monitoring station:

    > nslookup <hostname>
    > ping <IP returned from the above>

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