Source of SNMP counters on Windows systems

Tony Gedge 246 Reputation points
2021-03-10T07:41:31.657+00:00

Can anyone point me to any documentation on what the specific data sources are for the Windows SNMP service?

I'm particularly interested in various values from the host-resources-mib, specifically:

  • hrProcessorLoad
  • hrSystemUptime
  • hrSystemNumUsers
  • hrSystemProcesses

I want to work out whether these values exposed by the SNMP service come from Windows performance counters, or from some other source. This is so I can see whether I can cross-check the reported data in our monitoring system vs the windows performance counters (or even task manager!).

Windows for business Windows Server User experience Other
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  1. Lex Li (Microsoft) 6,037 Reputation points Microsoft Employee
    2022-02-20T06:54:36.697+00:00

    There is no clear documentation on how those values are calculated by Windows SNMP agent (and its extensions), but we can assume the values ultimately come from the underlying Win32 API. Then they won't be any different from what you see in Windows Task Manager or Performance Monitor.

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