Troubleshoot multiplayer connection errors | Xbox Support
Find solutions for errors when you run the Xbox multiplayer connection test.
Update drivers through Device Manager in Windows - Microsoft Support
Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.
Network settings on the Xbox console | Xbox Support
Learn about the network settings on your Xbox console and common network troubleshooting tests.
“UPnP Not Successful” appears in your network settings
Sign in to your router’s setup webpage, and make sure the router’s UPnP setting is turned on. You can usually find first-time help with this in the router manual or on the manufacturer’s support site. Turn the UPnP setting off and save your changes. Restart your console, your modem, and your router.
“NAT Type: Unavailable appears in your network settings
Learn what to do when you receive a NAT type: Unavailable error message on Xbox.
Network ports used by the Xbox network on the Xbox console
Learn which network ports are used when configuring a firewall or router to use with an Xbox console and Xbox Live.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Double NAT detected in your network settings | Xbox Support
If you see “Double NAT detected” in your Xbox network settings, try these steps to change or remove it.
Troubleshoot NAT errors and multiplayer game issues
Under Current Network Status, the NAT Type field displays your current NAT type. You need your NAT type to be Open to resolve this issue. You also want to make sure there are no errors such as Double NAT detected or UPnP not successful displayed.
NAT type on Windows displays "Teredo is unable to qualify"
Failure to obtain a Teredo IP address can occur when there’s an issue with your Teredo adapter, when a device on your network is blocking the Teredo protocol, or if there’s software installed on your PC that’s disabling Teredo functionality.