How to Migrate Your Sophos UTM 9 License to Sophos Firewall OS
If you are using a Sophos SG series appliance with UTM 9 software, you may want to upgrade to the latest Sophos Firewall OS (SFOS) to enjoy the new features and benefits. However, before you can do that, you need to migrate your UTM 9 license file to SFOS. This article will guide you through the steps to do so.
According to the Sophos Firewall: Licensing guide, you need to follow these steps: