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Defender Causing Performance Issues? [How to Test It]

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Mar 31, 2026
19:37

Defender Advisory Service: https://www.threatscape.com/microsoft-365-defender-advisory-service/ You suspect Windows Defender is slowing down your machine. You try to test it. Then you hit a wall: tamper protection won't let you disable it. In this deep dive with MVP Ru Campbell and Nate Hutchison, we break down the EXACT troubleshooting mode that gets past tamper protection, and proves whether Defender is really your culprit. Hosted by Ru Campbell, Microsoft MVP, security operations expert. Guest analyst Nate Hutchison (MVP). If you're troubleshooting Defender performance across 500+ endpoints, this video (and our advisory service) is for you. 0:00 Introduction to Troubleshooting Mode 0:47 Purpose of Troubleshooting Mode 7:01 Enabling Troubleshooting Mode 9:16 Configuration and Settings 10:45 Performance Tuning Steps 13:22 Using Defender Performance Analyzer 14:13 Kill Switch and Core Settings 15:36 Exclusions and Limitations 19:09 Conclusion and Wrap Up Website: https://www.threatscape.com/ Linkedin: https://www.linkedin.com/company/942506 Email Address : [email protected]

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Defender Causing Performance Issues? [How to Test It] | NatokHD