FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
Article Id 273502
Description This article discusses the issue of HA out of synchronization.
Scope FortiGate v6.X and v7.X
  1. Check System -> HA. If the HA secondary device shows as 'Not synchronized', hover the mouse on the Status:

 MicrosoftTeams-image (1).png


  1. It will show the configuration information which is different between the Primary and Secondary Firewall.
  2. The above picture shows that the Application list was mismatched between the HA pair.
  3. Verify on both Firewalls for the mentioned configuration. For the above scenario check via 'config application list'.
  4. Edit the configuration on the secondary Firewall to match with Primary.
  5. The HA pair will be synchronized again.


Related articles: