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Home > Success Center > Network Performance Monitor (NPM) > A WMI Polled Node is showing 0 value for CPU

A WMI Polled Node is showing 0 value for CPU

Created by Tiarnan Stacke, last modified by Jonathon.Privett on Oct 07, 2016

Views: 371 Votes: 5 Revisions: 9

Overview

A WMI Polled Node is showing 0 value for the CPU.

Environment

  • All NPM versions
  • All SAM versions

Cause 

The WMI Class is reporting NULL values for CPU Load. This will cause Orion to display 0 values for CPU Load.

Resolution

To verify if this is the cause of the issue in your environment:

  1. Run WBEMTEST.
  2. Click Connect.
  3. Namespace: \\{IP}\root\cimv2.
  4. Enter the credentials.
  5. Click Connect.
  6. Run the following queries for WMI CPU Information:
    SELECT PercentProcessorTime FROM Win32_PerfFormattedData_PerfOS_Processor WHERE NOT NAME LIKE "%Total%"

    SELECT PercentProcessorTime, TimeStamp_Sys100NS FROM Win32_PerfRawData_PerfOS_Processor WHERE NOT NAME LIKE "%Total%"

    SELECT LoadPercentage FROM Win32_Processor
  7. Double click into one of the results.

  8. Scroll down and find the Properties for either PercentProcessorTime or LoadPercentage.

  9. If this displays a <null> value, then there is an issue with the Windows server providing the information about CPU Load

Further resolution needs to be undertaken on the server itself if it is not providing the information via WMI.

 

One possible solution would be re-building performance counters on the target machine.

You can do this by following the steps outlined in this article here:

https://support.solarwinds.com/Succe...Interface_Data

cpu, memory, unavailable, historical, data, wbemtest

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