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Upgrade a single Trellix ESM from version 10.x

  • Published on Sep 12, 2026
  • 1 minute(s) read
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Upgrade your Trellix ESM software to a new version.

Caution

When upgrading, all active collectors stop collecting data until you rewrite the device settings and roll out the policy.

  1. From the Trellix ESM dashboard, click GUID-0177D71C-5A80-43D5-9629-5D396CF2895F-low.png and select System Properties.

  2. Click ESM Management.

  3. Select the Maintenance tab, then click Update ESM.

  4. In the Select Software Upgrade File window:

    • Select the upgrade file from the list, then click OK.

      Or

    • Click Browse to check for a software upgrade file obtained from the download site on your system and then, click Upload.

  5. In Proceed with Upgrade, click Yes to run the upgrade advisor.

    The System Advisor Upgrade Check window shows the available online and offline devices along with their respective status.

  6. Click Close in System Advisor Upgrade Check and then, in the Upgrade ESM Software window, click Yes to run the upgrade.

    1uzdmTThe Trellix ESM device restarts and all current sessions are disconnected while the upgrade is installed. If you encounter issues during an upgrade, you can restore the backup files or contact Support.

  7. When the upgrade process is complete, refresh the browser.

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