Game won't work.

It might be it not play backward compatible games it does it with might

Hello there @Deviant#, I hope everything is going well!

Thank you for reaching Microsoft Xbox Forum support. I am sorry to know about the game situation, but I want you not to worry about it because I am here to help you out! I believe your console might need either a network reset or just a system refresh. I
would like you to go through the following steps to clear the Mac address and then perform a quick power cycle on your console:

Settings > Network Settings > Advanced Settings > Alternate Mac Address > Clear it and the console should restart. It would definitely help if you could restart the internet router while the console is restarting.

After going through the troubleshooting steps mentioned, I invite you to perform a quick power cycle by turning off the console and then unplugging all the cables. After 2 to 3 minutes, re-plug them back again, then restart your console.

Another thing you should check is your NAT type. I would like you to check your NAT type if open because that could sometimes interfere. to check for the NAT type you can follow the steps below:

Settings > Network Settings > NAT type => It should be open.

If the NAT type is not open, you will need to open some ports with your internet provider. These ports must be open for Xbox Live to work: Port 88 (UDP) Port 3074 (UDP and TCP) Port 53 (UDP and TCP) Port 80 (TCP) Port 500 (UDP) Port 3544 (UDP) Port 4500
(UDP).

In case the issue still persists after the previous steps have been performed here is the official link to all the network troubleshooting steps that can help sort this out for you.

The link: Troubleshoot your Xbox One network connection | Xbox Support

In case the issue still persists, the next step would be to perform a reset on the console. To do so you will need to follow the steps below to perform a reset on the Xbox :

Settings > System > Console Info > Reset This Xbox > Reset and Keep my Games and Apps.

Note =>The "Reset and Keep my Games and Apps" option will not cause losing your games, but please be aware that you need to be completely aware of the email address as well as the password of your account before going for it because it will require you
to sign in to the account.

I wish you a lovely day, and I hope this helps you out! All the best!

Kind Regards

Stay safe, and happy gaming!

Feel free to give us your feedback by voting below if the reply was helpful!

Hello Brad,

Thank you for posting in Microsoft Community.

We understand that you're having trouble playing Call of Duty Modern Warfare 2 on your Xbox. It sounds like you're experiencing a connectivity issue.

Here are a few steps you can try:



Check Xbox Live status:

• Check the Xbox Live status page to see if there are any known issues that could be affecting your ability to connect.
  

Clear your Xbox cache:

• Clearing your Xbox cache can help resolve connectivity issues.
  
• To do this, press and hold the power button on your Xbox until it turns off.
  
• Unplug the power cord from the back of the console and wait for 10 seconds.
  
• Plug the power cord back in and turn on your Xbox.
  

Restart your router:

• Restarting your router can also help resolve connectivity issues.
  
• Unplug your router from the power source, wait for 30 seconds, and then plug it back in.
  

If issue persist, please provide us details about your concern:

1. What is the exact error message/code you are getting about Xbox live?
   
2. Are you playing on Xbox Series X|S or Xbox One or Xbox 360?
   
3. Are you having issues with other games too?
   

Let us know how it went.

Sincerely,



Microsoft Community Moderator

Me too. Different games, but same error and frustration.

Hi there Stepwise

Some games won't work if they are an online based game so you will need to connect online either via ethernet or wifi to get the game working. What game in question are you having trouble playing?.

Fifa 19 and Shadow of Tomb raider