The Mac version of the MillenVPN app requires activation of the Network Extension for WireGuard connections.
(1) Select "System Settings" from the apple icon on the top menu of the Mac.
(2) Select "Login Items and Extensions" under "General Items
(3) Select "?" in the "Network Extensions" section. mark" in the "Network Extension" section.
(4) Enable MillenVPN toggle
User authentication is required to activate MillenVPN toggles.