Manage an HA pair in Sophos Central
Follow these instructions to add and manage an high availability (HA) pair in Sophos Central.
Introduction
How you upgrade depends on how your firewalls are set up. Your firewalls can be set up in either of the following ways:
- You are managing your firewalls in Sophos Central but they aren't in an HA pair.
- Your firewalls are in an HA pair but you aren't managing them in Sophos Central.
Create an HA pair from your centrally managed firewalls
You have two standalone firewalls running 18.0 MR3 managed from Sophos Central. You want to import the configuration from one of them and manage them as a HA pair.
You can now manage the firewalls as an HA pair in Sophos Central.
Manage your HA pair in Sophos Central
You have two XG firewalls in an HA pair. You want to manage them as an HA pair in Sophos Central.
The image below shows an Active-Passive HA pair.

You can now manage the HA pair in Sophos Central. Any configuration changes you make in Sophos Central apply to both firewalls.