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Symptoms

• The Device and Domain fields of a transaction show “Unknown” instead of the correct value.
  

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Implications

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Cause

There are three possible causes:1.

1. Replacing an existing DPOD installation

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1. with a new one for monitoring the same DataPower gateways
2. Adding a new monitored device or domain

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1. An issue in DPOD's

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1. agents

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Resolution

1. If you replaced an existing DPOD installation for with a DataPower devicenew one, go to DPOD’s manage menu, under Devices choose “Monitored Devices”, click the device Manage → Devices → Gateways, click the gateway and under the “Setup” tab click “Setup Syslog for Device” and “Setup Syslog for all domains”.
   The After Syslog Setup is complete, the correct device and domain names will appear in few minutes.
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2. When adding a new monitored device or domain - wait for 1-2 minutes for DPOD to cache and show the new name.if you didn't
3. replace an existing DPOD installation, and didn't add a new device or domain - check the health of the ElasticSearch agent, you may need to reallocate unassigned shards or restart the agent via the CLITo detect an issue is DPOD's agents, Check System Status Using the Web Console. You may need to restart the agents using Admin Console.