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High CPU Usage When Launching PowerShell on Windows Server

  • June 26, 2025
  • 3 replies
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K

Hi 
encountered an issue where simply launching a PowerShell terminal on a Windows server causes the CPU to spike to 100%? We're currently experiencing this behaviour on a windows server. No scripts are being executed — the spike occurs immediately upon opening the terminal.
Additionally, our data collection process involves launching a new PowerShell instance for each script, which significantly compounds the CPU load and severely impacts server performance.
We have turned off AV to test and same issue 

Best answer by TonyAndres

Hello Khaled,

Monitoring Windows servers with PowerShell in SL1 will have an impact, depending on the resources on the end device. If manually opening a PowerShell terminal causes the CPU to spike, then it is expected the same would occur when SL1 attempts to collect data via PowerShell. 

As this is not an issue with SL1 specifically, please work with the server administrator or the vendor to resolve the CPU utilization issue.

Antonio Andres

Principal Technical Support Engineer | ScienceLogic

    3 replies

    T

    Hello Khaled,

    Are you saying that every time SL1 launches a PowerShell instance on a Windows server, the Windows server CPU spikes to 100%, or are you manually opening a PowerShell terminal directly on the server?

    Antonio Andres

    Principal Technical Support Engineer | ScienceLogic

      K
      • Khaled
      • Author
      • June 26, 2025

      Hi Tony,

      Thank you for your response, I appreciate it.

      When I manually launch a PowerShell terminal I can see the CPU spikes on the device.  I have high CPU utilisation on the server and I am trying find out if it is the the PS scripts causing it when SL is trying to collect data. When I tried to manually test it I found that even launching the PS terminal the CPU spikes to 100%.

      Thank you, 

      Khaled 

      T
      • TonyAndres
      • Answer
      • June 26, 2025

      Hello Khaled,

      Monitoring Windows servers with PowerShell in SL1 will have an impact, depending on the resources on the end device. If manually opening a PowerShell terminal causes the CPU to spike, then it is expected the same would occur when SL1 attempts to collect data via PowerShell. 

      As this is not an issue with SL1 specifically, please work with the server administrator or the vendor to resolve the CPU utilization issue.

      Antonio Andres

      Principal Technical Support Engineer | ScienceLogic

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