Add address and port numbers needed for UWP App licensing. New in 2016v2 requires app licensing using GrapeCity Licensing Visual Studio Plugin
http://helpcentral.componentone.com/nethelp/C1StudioUWP/LicensingInformation.html
It should mention what ports and address should be allowed through firewall. Our dev network is tightly controlled and establishing anything but https/http should be documented. ie, I think you are trying to connect to supportone.componentone.com on TCP 44300 during authentication.