WMI Memory Usage Monitor Monitor

  • ID:  Microsoft.SystemCenter.WMIPrivateBytes.Monitor
  • Description:  This monitor checks WMI memory utilization on the computer.
  • Target:  Agent
  • Enabled:  No

Operational States

Name State Description
Normal Threshold Success  
Warning Threshold Warning  
Error Threshold Error  

Overridable Parameters

Parameter Name Default Value Description Override
Frequency 300 Interval in seconds at which the monitor is checked.
Warning Threshold 524288000  
Error Threshold 629145600  

Alert Details

Monitor State Message Priority Severity Auto Resolution
Error Threshold (Error) WMI memory usage high Medium Warning Yes

Run As Profiles

Name
Default

Monitor Knowledgebase

Summary

The WMI service on this computer is using too much memory.

This monitor periodically checks the total memory usage of WMI on the computer by checking the Private Bytes counter for all process instances starting with WmiPrv and comparing that with 2 thresholds. By default this monitor will go into a warning state if any WMI related process consumes more than 500MB of memory. It will go into an error state if any WMI related process consumes more than 600MB of memory.

Causes

A possible cause is a WMI memory leak, causing WMI to consume more and more memory over time.

Resolutions

If you see a pattern of WMI memory issues, this monitor has a disabled recovery that will automatically restart WMI when the warning or error threshold is exceeded. If you see that this resolves the issue, you can enable one of those recoveries.

External References

For more information on troubleshooting WMI problems, go to http://go.microsoft.com/fwlink/?LinkId=158224.

You can also download the WMI Diagnosis Utility at http://go.microsoft.com/fwlink/?LinkId=158226. The WMI Diagnosis Utility is a VBScript script designed to help you troubleshoot the WMI service on a computer.

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