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I can’t add Dell PowerEdge sensors to PRTG. What can I do?

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When I try to add an SNMP Dell PowerEdge sensor to PRTG, PRTG aborts the sensor deployment with an error message. Can you list the most common errors with Dell PowerEdge sensors and provide possible reasons and troubleshooting solutions?

debug dell error error-messages oid poweredge prtg sensor snmp

Created on Jan 25, 2016 3:25:38 PM by  Gerald Schoch [Paessler Support]

Last change on Aug 2, 2019 6:59:19 AM by  Maike Behnsen [Paessler Support]



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This article applies to PRTG Network Monitor 19 or later

Common Errors when Using Dell PowerEdge Sensors

Before you add an SNMP Dell PowerEdge Physical Disk sensor or an SNMP Dell PowerEdge System Health sensor in PRTG to the target PowerEdge server, first make sure that you meet the requirements for these sensor types. You need to install the Dell OpenManage Server Administrator (OMSA) or iDRAC 7. For details, see What do I need to monitor Dell servers?

If you still encounter one the following common error messages, you can use our free SNMP Tester to walk specific OIDs. These OIDs depend on the sensor type and whether you query data via OMSA or the iDRAC interface. The results of the SNMP walks can help debug your issues with Dell PowerEdge monitoring.

If the SNMP walks run successfully but your PowerEdge sensors do not work, save the results (click Save Log to File in SNMP Tester) and forward these files to us when you open your support ticket about this case. Sending your walks directly with your support request helps us help you faster.

Debug and Resolve PowerEdge Errors

Look below for the error message that your SNMP Dell PowerEdge sensor shows and follow the respective troubleshooting steps.

(1) The sensor could not find any disks on the monitored device. The reason might be a Windows security feature that prevents automatic integration of the Windows SNMP agent with the components from IBM. To resolve this issue, see https://kb.paessler.com/en/topic/73914. (code: PE188)

This means that there is no response from the target device. Check the following:

  • Is SNMP enabled on the device you want to monitor? Check SNMP availability with an uptime test using SNMP Tester. For more information, see the SNMP Tester manual, section 3: Quick Start: Test SNMP with System Uptime Request and the Knowledge Base article My SNMP sensors don’t work. What can I do?
  • Is the OMSA software correctly installed on the target server? In some cases, a restart of the target server is required after installing OMSA.
  • Are the needed OIDs reachable on the target server? Use SNMP Tester and run SNMP walks on the following OIDs:
    • Physical disk via OMSA: 1.3.6.1.4.1.674.10893.1.20.130.4.1
    • Physical disk via iDRAC: 1.3.6.1.4.1.674.10892.5.5.1.20.130.4.1

If the walks are successful but your Dell PowerEdge sensors do not work, save the log and send it to our support team.

(2) The validation of at least one of the new objects failed because of the following: Disk: Required field, not defined.

This means that PRTG received a reply so SNMP is most likely enabled but the serial number is missing for this disk. You will see a similar message in an existing sensor when a disk of the array has been replaced with a new disk that has a different serial number.

If the walks are successful but your Dell PowerEdge sensors do not work, save the log and send it to our support team.

(3) The sensor could not find any matching data on the monitored device. To resolve this issue, check if SNMP is enabled on the device. Also check if the Dell OpenManage Server Administrator is correctly installed on the target server. Or check if the needed OIDs can be reached. For more information, see https://kb.paessler.com/en/topic/68040. (code: PE187)

If there is no response from the target device, check the following:

  • Is SNMP enabled on the device you want to monitor? Check SNMP availability with an uptime test using SNMP Tester. For more information, see the SNMP Tester manual, section 3: Quick Start: Test SNMP with System Uptime Request and the Knowledge Base article My SNMP sensors don’t work. What can I do?
  • Is the OMSA software correctly installed on the target server? In some cases, a restart of the target server is required after installing OMSA.
  • Are the needed OIDs reachable on the target server? Use SNMP Tester and run SNMP walks on the following OIDs (two walks for both OMSA and iDRAC):
    • System health (1) via OMSA: 1.3.6.1.4.1.674.10892.1.300.10.1
    • System health (2) via OMSA: 1.3.6.1.4.1.674.10892.1.200.10.1
    • System health (1) via iDRAC: 1.3.6.1.4.1.674.10892.5.4.300.10.1
    • System health (2) via iDRAC: 1.3.6.1.4.1.674.10892.5.4.200.10.1

If the walks are successful but your Dell PowerEdge sensors do not work, save the log and send it to our support team.

Created on Jan 25, 2016 3:30:02 PM by  Gerald Schoch [Paessler Support]

Last change on Nov 29, 2019 11:32:49 AM by  Maike Behnsen [Paessler Support]



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.