How to get Open NAT on Xbox One by enabling UPnP — and why you should

[Windows Central]

If you're encountering issues with your Xbox One NAT, UPnP could be an easy solution.

When encountering connectivity issues on Xbox One, your Network Address Translation (NAT) type is the first place you should look. NAT determines how easily you connect to other players, potentially limiting who you can enjoy games with. While various solutions can alter your NAT type, enabling Universal Plug and Play (UPnP) is generally accepted as the first step.

Full story from the WindowsCentral blog...