This article applies as of PRTG 22


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


Remote monitoring of specific performance counters

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


If your probe with the PerfCounter Custom sensor runs on a different server than the performance counters that you want to monitor, there might be an issue with remote access.


On the PRTG core server system, try to remotely access the counters with PerfMon. If you can see some system counters (for example, processor information or SQL server), but not the desired performance counters, we recommend that you manually start Performance Counter DLL Host (perfhost.exe).


This Windows service enables remote users and 64-bit processes to query performance counters provided by 32-bit DLLs. It does not run by default, so that only local users and 32-bit processes are able to query performance counters provided by 32-bit DLLs.


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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.