LSASS.exe takes up more than 50% CPU usage

Lansweeper is actively scanning your network, but you notice that LSASS.exe is utilizing more than 50% of your CPU.

What is happening?

There are many individual or combined factors that could contribute to this issue, and each cause and its corresponding solution is often unique to each contributing factor.

Now what?

As stated above, this issue can have several different causes, with several different solutions.
Before delving into advanced troubleshooting however, try out the following quick actions first, as they could already solve the issue:

Update your Windows server, ensuring you have the latest fixes installed.
Update Lansweeper to the latest version. For a detailed explanation of updating your installation, see Update your Lansweeper Classic installation or Update your Lansweeper scan server.

What else?

To further troubleshoot the issue, you can refer to the following Microsoft article:
Troubleshoot high Lsass.exe CPU usage - Windows Server | Microsoft Learn

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