Page permalink Always use the following permalink when referencing this page. It will remain unchanged in future help versions. https://docs.sophos.com/nsg/sophos-firewall/19.5/Help/en-us/webhelp/onlinehelp/index.html?contextId=system-services-HA Your browser doesn’t support copying the link to the clipboard. Please copy it manually. High availabilityYou can configure a high availability (HA) cluster in active-passive and active-active modes on Sophos Firewall. About HA High Availability startup guide. About HA Microsoft Azure load-balancing Configure load-balancing on Microsoft Azure. Microsoft Azure load-balancing Was this page helpful? Thank you for your feedback Thank you for your feedback. Help us improve this page by giving us more information.