


You need to essentially add one entry for every single port.Under Manage Custom Services click on Custom Services button.Go to the NAT/Gaming tab (This actually might be when it asks for your access code, I'm not sure, just follow step 3).

If your browser asks to save it, save it for the future just in case It will ask for your access code, it is on your modem/router.If you only have Fiber internet and don't have another router or don't feel like doing that, then continue on below. You can try it out, but if you have multiple I would go the route of adding your own router from the video link above. Follow this video if you are interested in going that route: Video LinkĪlso, this only works for 1 xbox on the network I believe. Otherwise, if you want to be on the safe side, use your own router that works with xbox already by plugging it into the ATT modem/router and then plugging your xbox into that new router. If you have more than just internet, continue at your own risk. There is a part where adding certain ports might interfere with other ATT services.
