Endpoint Detection and Response 4.2.0 Hotfix 2 Release Notes

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Release date — March 19, 2024

Trellix Endpoint Detection and Response 4.2.0 hotfix 2 (on-premises) release includes resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release. We recommend that you always upgrade to the most current update.


Information about Trellix EDR 4.2.0 hotfix 2 release

Component

Version

Trellix EDR Client for Windows

4.2.0.3520

Trellix EDR Windows Rules

4.2.0.3520

Trellix EDR Client Extension

4.2.0.660

For the complete list of system requirements, see supported platforms for Trellix EDR in KB91345.

Note: This hotfix does not support the automatic upgrade of a pre-release software version. To upgrade to a production release of the software, you must first uninstall any pre-release versions.


Rating

This update is critical for all environments. Failure to apply critical updates might result in severe business impact.


Resolved issues

This hotfix resolved customer-reported issues.

Reference

Resolution

MPT-19189

The Trellix EDR client no longer affects the operation of Trellix ENS now.

SEC-183057

When the trace feature is enabled, the Trellix EDR process no longer utilizes high disk usage.


Installation instructions

The Trellix Endpoint Detection and Response Installation Guide has all the information you need to install the product for the first time and to migrate from McAfee Active Response.


Known issues

For a list of known issues in this product release, see KB91275.