Turn off your console and network hardware (for example, your modem and router).
Wait 30 seconds.
Turn on your modem and wait for it to come back online (approximately one minute).
Turn on the next piece of hardware (for example, the router), and wait another minute.
Repeat step 4 for every additional piece of network hardware.
Now test your connection again as described above. If you still receive a NAT warning, please try the next solution.
Solution 2: Turn on UPnP on your network hardware
Universal Plug and Play (UPnP) is a standard that helps routers communicate effectively.
If your router or gateway supports UPnP, make sure this setting is turned on. Refer to your hardware documentation for help turning on UPnP. Most hardware manufacturers have websites that include support information.
If you change the UPnP setting on your network hardware, restart your hardware and test your Xbox LIVE connection.
If you still receive a NAT warning, please try the next solution.
Solution 3: Simplify your setup
Your router or gateway might be having problems sharing an Internet connection. To see whether this is true, try simplifying your setup. Do one of the following:
Wired connection: Temporarily unplug everything from your router, except the cable to your modem and the cable to your Xbox 360 console.
Wireless connection: Temporarily turn off everything that's connected to your wireless network except your Xbox 360 console.
Now test your connection again as described above. If you do not receive a NAT warning after simplifying your setup, it suggests that the router is having problems handling multiple connections. To try to fix the problem, please go to the next solution.
Solution 4: Open network ports
Your network hardware or firewall might be blocking communication with the Xbox LIVE servers.
If you're connected to a network through your workplace or a college, ask the network administrator to open the following ports:
Port 88 (UDP)
Port 3074 (UDP and TCP)
Port 53 (UDP and TCP)
Port 80 (TCP)
If you’re not connected to a workplace or college network, you need to open network ports on your network hardware. There are two ways to open network ports: port triggering, and port forwarding. Port triggering is the quickest way to open network ports,
however, not all routers support port triggering. Check your router documentation to find out if port triggering is supported. If your router does not support port triggering, try port forwarding.
METHOD 1: PORT TRIGGERING
When you set up port triggering on your router, you need to trigger the following ports:
Port 3074 (UDP and TCP)
Port 88 (UDP)
Typically, you need to set the following for each port that needs triggering:
‘Application name:’ Xbox LIVE ‘trigger port’ to UDP 88 and ‘forwarded port’ to UDP 88
Refer to your router documentation for information on how to set up port triggering.
METHOD 2: PORT FORWARDING
Part 1: Switch to manual IP settings
Before opening ports on your network hardware, you need to get the IP settings from your computer and then use those IP settings on your Xbox 360 console.
Get your computer’s IP settings
On your computer, click Start, type cmd, and then press ENTER. Note If you’re using Windows XP, click Start, click Run, type cmd, and then press ENTER.
At the prompt, type ipconfig, and then press ENTER.
Find your network connection (for example, look for something called "Local Area Connection" or "Wireless Network Connection"). Write down the numbers for the following items:
IPv4 address (or IP address)
4. Make up a unique IP address for your Xbox 360 console, and write it down. A simple way to do this is to add 10 to the last number of your computer’s default gateway address. For example, if your computer’s address is 192.168.1.1, use 192.168.1.11 for
your console’s unique IP address. Note Each IP address on your network must be unique.
Now you need to set your console’s IP settings.
Set your console’s IP settings
On your console, press the Guide button on your controller, go to Settings, and then select System Settings.
Select Network Settings.
Select Wired Network or the name of your wireless network (if you are prompted to do so).
Select Configure Network.
On the Basic Settings tab, select IP Settings.
Select IP Address.
Enter the unique IP address that you made up, and then select Done.
Select Subnet Mask, enter your computer’s subnet mask, and then select Done.
Select Gateway, enter your computer’s default gateway, and then select Done.
Press B on your controller, and then test your connection again.
Part 2: Open ports on your router or gateway
Next, open ports on your router or gateway so that your network hardware can communicate with the Xbox LIVE servers.
Open ports on your router or gateway
Start your web browser.
In the Address bar, type the default IP address for your router or gateway, and then press ENTER. Here are the default IP addresses for a few router and gateway manufacturers: Belkin: 192.168.2.1 Linksys by Cisco: 192.168.1.1 D-Link: 192.168.0.1 NETGEAR: 192.168.0.1. or 192.168.1.1
If your manufacturer is not listed above, refer to your documentation or your hardware manufacturer's website for help finding the default IP address.
Type your user name and password (for your router or gateway), and then click OK. Note If you do not know the default user name and password, refer to your hardware manufacturer’s documentation.
Once you are logged in, you should see your router or gateway's configuration page.
Microsoft disclaims any and all liability arising out of your use of the third-party companies, software, solutions, services and training listed on the site. All software, solutions, services and training are provided "as is" and without warranty unless
provided by the authoring third-party company.
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