Are your at&t u-verse routers can’t support UPnP, and you are not successfully enabling it on your at&t router? Here we share the proper method to enable UPnP on the at&t router.
1.Go to Your Router Webpage
At first, open any browser and go to your router web page.
2. Input Device Access Code
See the below picture to show where you will find your device access code. Input the code and click the continue button.
3. Manage Custom Services
Go to the menu bar and click the Firewall tab. Next, click the NAT/Gaming tab. Scroll down and show the manage custom services option. Click the custom services button.
Here you will show the service list. Now you have to add a service. Input those information. Put your service name, global port range and base host port. The protocol is set by default. Next, click the add button.
Now you can show your new services on the custom service list. On the below page, click the Return to NAT/Gaming tab.
You can show the Application Hosting Entry form. It fills up by default. You have to change the Needed by Device option. Here you have to select XBOXONE and click the add button.
To keep saving those changes, click the Confirm button. And reboot your router. Hopefully, this method helped you to fix the issue.
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