Performance Issues With Microsoft Defender ATP On RHEL

Solution Unverified - Updated -

Issue

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  • Performance issues have been observed on RHEL servers after installing Microsoft Defender ATP.  These issues include:
    • degraded application performance, notably with other third-party applications (PeopleSoft, Informatica, Splunk, etc.)
    • lengthy delays when SSH'ing into the RHEL server.
  • Under Microsoft's direction, exclusion rules of operating system-specific and application-specific files, folders and processes were added.  That has helped, but not eliminated the problem.
  • One has followed Microsoft's guidance on configuration and troubleshooting.

Environment

  • Red Hat Enterprise Linux 7 (RHEL 7)
  • Microsoft Defender Advanced Threat Protection (ATP)

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