FortiGate HA pair upgrade in Azure cloud, in different Availability Zones

FortiGate HA pair upgrade in Azure cloud, in different Availability Zones.

will the master unit keep existing firmware version, while upgrade new version on slave unit ?

Staff

If we are talking about Active-Passive HA cluster, by default there will be uninterrupted upgraded performed. Details can be fund here https://docs.fortinet.com/document/fortigate/7.6.0/administration-guide/247944/upgrading-fortigates-in-an-ha-cluster

First slave unit is upgraded and then the primary unit is upgraded.

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