Xbox is connected to wireless network but can't connect to Xbox Live

This Xbox 360 has been connected to Xbox Live since Christmas, but today it can't connect to Xbox Live. We went through the troubleshooting. Nothing is working. Any ideas on how to fix this?

What Country/State/Province do you live in? USA/Ohio

Modem brand & model number: **** DG860

Router brand & model number: **** DG860

If Wireless, are you using a white or black external adapter, or an internal (Xbox 360S) adapter?
Xbox 360 internal

Things you have tried:

Is UPnP Enabled? Yes/no/Unknown Unknown

Do you have a NAT error? If so, what is your NAT type?
No NAT error.

Any Error Codes you encounter: 80151909

Who is your ISP(Internet Service Provider)? Buckeye Cablesystem

After you run "Test Xbox LIVE connection" press “Y” for "More Info”. In the pop-up that appears, what are the following values, if shown? (If a value below does not appear for you, just leave it blank.)

W:0000--0021

X: 0000-F001

Y: 0C88-1C40

Z:0000-0000

ID:0006-0000

L: 0015-10F1

Q: 8007-0435

T: WIRELESS

D: 72.240.13.7, 72.240.13.5

S:WPA2

C:1

:)

 

What is Xbox LIVE?

Xbox LIVE provides you with the most amazing entertainment experience through the Xbox 360 console. You can download and play games, get instant access to a large collection of games and music, and connect with your friends.

Wireless connection

You can connect your Xbox 360 console to Xbox LIVE without the need for any network cables. There is a wireless network in place that your Xbox 360 console can use.

Requirements
• An Xbox 360 Wireless Networking Adapter (only available with the original Xbox 360 console).
• A wireless access point, gateway or router that is compatible with Xbox LIVE.
• High Speed Internet connection, preferably DSL or cable.

Note: It is not advisable to use Satellite, 3G or 4G mobile connections due to the possibility of slow performance or lag.

 

How to Configure and test your Xbox 360 wireless Internet connection

After you have connected the Xbox 360 Wireless Connecting Adapter to your original Xbox 360 console, you have to configure and test the wireless connection.

Steps to Follow

1. On your controller, press the Guide button and proceed to Settings, then choose System Settings.

2. Go to Network Settings then select the name of your wireless network.

Note: If you do not find your wireless network, go to Advanced Options and then select Specify Unlisted Network. Proceed to enter the name of your wireless network, after which you will be asked to select the security type.

3. Enter your wireless network password.

4. You will get a prompt to update your console software. Select Yes.

Still Not Connecting?

If you get a connection error message after these steps, you should try using the Xbox LIVE Connection Solution to fix the problem.

If your wireless network is not listed in Step 2 above, you can read about how to Improve Xbox Live Speed.