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Follow these checks in order when the Agent is installed but miner data does not appear in Nonce.

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1. Verify the Agent Status

In Nonce, confirm that:
  • the farm has an assigned Agent
  • the Agent installation is complete
  • the Agent is online
If the installation completed recently, wait a few seconds and refresh the page.

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2. Verify the Scan Task

Open the farm task list and locate the scan task.
  • If the task is pending, wait for it to finish.
  • If the task failed, review the task output first.
  • If no scan task appears, submit the scan again.

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3. Verify the IP Range

The configured scan range must include the subnet that contains the miners. Common problems:
  • an incorrect subnet
  • the management network selected instead of the miner network
  • an unnecessarily broad scan range
  • miners moved to a different VLAN or subnet

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4. Verify Miner Credentials

If a miner uses a non-default password, update the credentials in the Agent configuration:

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5. Inspect the Agent Service

Run the following commands on the Agent host:
Use the output to verify:
  • the Agent service status
  • the IP addresses in the monitoring list
  • the results of recent scans
  • whether the Agent host can retrieve data from a specific miner

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6. Review Local Reports

The Agent stores scan and data collection reports on the host. Review these reports to identify missing or failed miners. Typical report locations:
The reports identify:
  • scanned IP addresses
  • skipped IP addresses
  • discovered miners
  • IP addresses that failed during metadata collection

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7. Diagnose Miners That Stopped Updating

Common causes include:
  • the miner became unreachable
  • miner metadata fetch started failing repeatedly
  • the miner is no longer inside the expected IP range
  • Nonce marked the miner data as stale after receiving no updates
Scan the affected subnet again, then test one affected miner directly:

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8. Refresh Stale Miner Data in the UI

The scan data may be processed before the current page refreshes. Before continuing the investigation:
  • refresh the Miners page
  • reopen the farm page
  • check the task detail page for completion
  • if you rely on scheduled data collection, wait until the next collection interval

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9. Rediscover a Manually Removed Miner

A miner removed from the list is not restored automatically. Run another scan. The miner reappears in the Miners list after the Agent discovers and reports it again.

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10. Verify Model and Firmware Support

Review the Supported Miners and Firmware page. If the model or firmware version is not supported, the Agent may be unable to identify the miner or collect the data required to display it.

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Contact Support

Collect the Agent logs and contact Nonce support if:
  • the Agent is online but every scan task fails
  • get-miner-meta fails for reachable miners
  • scan tasks succeed but no miner data appears in Nonce
  • one miner brand consistently fails while other brands work in the same subnet