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Update Trellix Agent extensions

  • Updated on Aug 19, 2026
  • Published on Aug 17, 2026
  • 1 minute(s) read
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Before upgrading Trellix Agent, you need to update the extensions and software packages on the ePO - On-prem server.

  1. In ePO - On-prem, select Menu → Software → Software Catalog.

  2. On the Software Catalog page, select Category → Management Solutions. The list of available updates are displayed.

  3. In the right pane, select Trellix Agent 5.8.

  4. From the Actions dropdown, select Update All.

  5. Select the branch where you want to check in the extensions and packages, then select Update.

When the update is complete, the product extensions are listed on the Extensions page and the installation packages are listed in the Main Repository.