start by following the troubleshooting guide in this thread for blocking port 123 udp. The expired security certificate is also applicable to the V2 hubs. Troubleshooting SmartThings Hub 2018 and Aeotec Hub
start by following the troubleshooting guide in this thread for blocking port 123 udp. The expired security certificate is also applicable to the V2 hubs. Troubleshooting SmartThings Hub 2018 and Aeotec Hub