You can install FortiClient (macOS) 6.4.8 on macOS 11 Big Sur and 10.15 Catalina. With these releases, FortiClient works properly only when you grant permissions to access the full disk in the Security & Privacy pane for the following services:
The FortiClient (macOS) free VPN-only client does not include the fcaptmon and fmon2 services. If you are using the VPN-only client, you only need to grant permissions for fctservctl and FortiClient.
You may have to manually add fmon2 to the list, as it may not be in the list of applications to allow full disk access to. Click the + icon to add an application. Browse to
/Library/Application Support/Fortinet/FortiClient/bin/ and select fmon2.
The following lists the services and their folder locations:
fmon, Fctservctl, Fcaptmon:
FortiClient (macOS) application:
After you perform an initial install of FortiClient (macOS), the device prompts you to allow some settings and disk access for FortiClient (macOS) processes. You must have administrator credentials for the macOS machine to configure this change.
You must enable the FortiClientNetwork extension for Web Filter and Application Firewall to work properly. The FortiClient (macOS) team ID is AH4XFXJ7DK.
- Go to System Preferences > Security & Privacy.
- Click the Allow button beside System software from application "FortiClientNetwork" was blocked from loading.
- Verify the status of the extension by running the
systemextensionsctl listcommand in the macOS terminal. The following provides example of output when the extension is enabled:
After initial installation, macOS prompts the user to enable FortiClient (macOS) notifications.
- Go to System Preferences > Notifications > FortiClientAgent.
- Toggle Allow Notifications on.
FortiClient (macOS) does not support DHCP over IPsec VPN.
When using macOS Mojave (version 10.14), you must reboot the macOS device after installing FortiClient (macOS). FortiClient (macOS) displays the following prompt after installation:
FortiClient (macOS) does not support IPsec VPN IKEv2.
FortiClientAgent can only start after the user logs in to macOS. FortiClient only starts its other services after FortiClientAgent is running.