Use the group name to identify the cluster. The maximum length of the group name is 32 characters. The group name must be the same for all cluster units before the cluster units can form a cluster. After a cluster is operating, you can change the group name. The group name change is synchronized to all cluster units.

The default group name is FGT-HA. The group name appears on the FortiGate dashboard of a functioning cluster as the Cluster Name.

To change the group name from the web‑based manager go to Config > System > HA and change the Group Name.

Enter the following CLI command to change the group name to Cluster_name: