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Home > Success Center > Network Performance Monitor (NPM) > Nodes report differently on WMI: Last Boot Time Null

Nodes report differently on WMI: Last Boot Time Null

Updated September 9, 2016

Overview

Virtual Windows server polling SNMP reports as expected for Last Boot Time and CPU and memory information, but when swapped to WMI, the Last Boot Time changes to NULL on the database, resulting in a time in the past. Resource states Data is not available.

 

Check NodesDetail (Nodes (View))table forreboot time,  may say NULL

 

Running WBEMTEST query for: 

select LastBootUpTime from Win32_OperatingSystem  gives the correct time.

Environment

NPM version 11.5.3

Cause 

ShadowCopyCache files froze the polled information from the node.

Resolution

  1. Monitor C:\Windows\Temp\SolarWinds\JobEngine.v2 for Old ShadowCopyCache files.
  2. Stop or Start JobEngineV2 service. The window should flash and rebuild the folder, drill back into it and check that the folders are recycling.
  3. Poll Node Details and check that the information is Polling correctly again. 
  4. Check NodesDetail (Nodes (View)) table for correct reboot time.

 

 

 

 

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