Upgrade to Trellix Enterprise Security Manager 11.6.x

Upgrade your Trellix ESM environment to a newer version of Trellix ESM.

Choose a method based on the configuration of your current environment.

Note
If there are interim Trellix ESMversions between your current version and the version you are upgrading to, make sure you review the Trellix ESM Release Notes for each interim version. This will help you understand all the changes toTrellix ESM.

Current version 11.x?	More than one Trellix ESM in environment?	Distributed Trellix ESMs?	Use this method
Yes	No		Upgrade a single Trellix ESM from version 11.x
Yes	Yes	No	Upgrade multiple Trellix ESMs from version 11.x
Yes	Yes	Yes	Note The Trellix ESM 11.6.x version does not support Distributed ESM, and Distributed ESM must be disabled before upgrading to 11.6.x.
No	No		Upgrade a single Trellix ESM from version 10.x
No	Yes	No	Upgrade multiple Trellix ESMs from version 10.x
No	Yes	Yes	Note The Trellix ESM 11.6.x version does not support Distributed ESM, and Distributed ESM must be disabled before upgrading to 11.6.x.

Use this flowchart to plan your upgrade.