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Upgrade paths

  • Published on Sep 11, 2026
  • 1 minute(s) read
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The supported upgrade path is:

  • Upgrade from 3.x.x to 4.0.x

We recommend that you run the latest and greatest versions of Trellix ePO - On-prem, Trellix Agent, and Trellix DXL. See KB94079 for details about Trellix ePO - On-prem minimum supported extension versions. See the product documentation for Trellix DXL for details about upgrades.

Upgrade paths in a multi-TIE server environment

Given that you have different TIE server instances deployed in your environment, for example, a Primary, a Secondary, and a Reporting Secondary instance, perform a progressive upgrade.

  • Make sure the Secondary server database replication is up-to-date.

  • Upgrade the TIE extension

  • Always start with the Primary server, then continue with the other server instances you have.