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My Performance Counter sensor does not work. What can I do?



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I created a PerfCounter Custom sensor to monitor several performance counters on my operating system. Unfortunately, I get the error message The specified object is not found on the system. (Performance Counter error 0xC0000BB8).

I am sure that the paths to the specific counters are correct. When viewing the desired counters via the Performance Monitor interface of Windows, everything looks fine. Also, I can add some of the counters that are available from within Windows to PRTG, which works perfectly. So, where are my performance counters in PRTG?

error error-messages perfcounter perfcounter-custom perfmon performance-counters prtg

Created on Jan 27, 2014 3:55:59 PM by  Gerald Schoch [Paessler Support]

Last change on May 21, 2019 12:00:16 PM by  Maike Guba [Paessler Support]

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This article applies to PRTG Network Monitor 19 or later

Remote Monitoring of Specific Performance Counters

The PerfCounter Custom sensor can monitor a set of Windows performance counters that you can define individually. You can find available performance counters on your system via PerfMon as outlined in the article How can I find out the names of available Performance Counters?.

If your PRTG probe with the PerfCounter Custom sensor runs on a different server than the applications whose performance counters you want to monitor, there might be an issue with remote access. Try to remotely access the counters with PerfMon from the machine running PRTG. If you can see some system counters (for example, processor information or SQL server), but not the desired application counters, manually starting the Performance Counter DLL Host (perfhost.exe) Windows service can help.

This service enables remote users and 64-bit processes to query performance counters provided by 32-bit DLLs. If it is not running (default), only local users and 32-bit processes are able to query performance counters provided by 32-bit DLLs.

For details, see the Windows SDK Support Team Blog article Where are my performance counters?.

Created on Jan 27, 2014 3:57:29 PM by  Gerald Schoch [Paessler Support]

Last change on Jul 29, 2019 4:59:27 AM by  Maike Guba [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.