Upgrade Paths

If you are running Forcepoint Email Security version 8.5.5, you can upgrade directly to Forcepoint Email Security version 8.5.7. You must perform intermediate upgrades if you are running any other previous version of Email Security Gateway or TRITON AP-EMAIL.
To migrate from Forcepoint Email Security version 8.5.4 or 8.5.5 to Forcepoint Email Security version 8.5.7, you must first install Forcepoint Email Security version 8.5.5 HF 302.
To upgrade the virtual appliance to Forcepoint Email Security version 8.5.7, you must add a 26 GB virtual hard disk to the virtual appliance.
To upgrade from Forcepoint Email Security version 8.5.5 to Forcepoint Email Security version 8.5.7, you must install the Appliance version 8.5.5 HF 300.
To upgrade from Forcepoint Email Security version 8.5.6 to Forcepoint Email Security version 8.5.7, you must install the Appliance version 8.5.6 HF 300.