MW2 won’t load for my gamertag but will for another

Hi, I hope you're doing great out there. I am an Independent advisor and I am here to help you in regard to your concern.

Let's try to remove and re-add your profile, Angel:

" REMOVE ACCOUNT​​​

​​​

1. Press the Xbox button to open the guide. ​​​

2. Select System > Settings > Account > Remove accounts. ​​​

3. Select the account that you want to remove, and then select Remove to confirm. ​​​

4. When you're finished, select Close. ​​​

​​​

POWERCYCLE CONSOLE​​​

​​​

1. Turn off your console by holding the Xbox button on the front of the console for approximately 10 seconds. The console will turn off. ​​​

2. Turn your console back on by pressing the Xbox button on the console or the Xbox button on your controller. ​​​

​​​

ADD ACCOUNT​​​

​​​

1. Press the Xbox button to open the guide. ​​​

2. Select your gamerpic in the upper-left corner of the screen, move all the way down and select Add new. ​​​

3. Enter the Email address and the password.​​​

4. Read the Microsoft Service Agreement and Privacy Statement, and then select I Accept. ​​​

5. Follow the steps to configure your Sign-In & Security preferences to add your Microsoft account to your Xbox console.​​​"

Hi Alex, sorry to hear that

And what about using a different Wi-Fi network?
Did you already tried that?
If not, you can share mobile data via Wi-Fi hotspot and connect the console in that way

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If maybe that doesn’t work, try disconnecting all the USB accessories from your console, and eject the disc in case you have a game inserted in your console.
After that restart the console and give it a new try

If the issue persist the best option is reach Activision support, maybe a new update caused this problem
https://support.activision.com/options

Thanks for the extra information Alex
This can be a bit odd but try this:

A. Use a custom DNS address:
go to Settings > Network > Advanced Settings

Once you’re inside the Advanced Settings menu, go to DNS settings and select Manual from the list of available options.
When you get to the next screen, enter 8.8.8.8 in the box associated with the Primary DNS and 8.8.4.4 in the Secondary DNS box.

Once the default DNS addresses have been changed, restart your console and see if the issue has been resolved at the next console startup.
If that doesn't work use 1.1.1.1 as primary and 1.0.0.1 as secondary

B. Clear your MAC address
Go to Settings > Network > Advanced Settings > Alternate MAC Address
Select Clear, restart your console and give it a new try

C. Try using a completely different Wi-Fi network in your console
For this purpose you can share mobile data via Wi-Fi hotspot and connect the console in that way

By the way, what’s your NAT type?
Please double check that via console settings > general > network config

Hi there I have an Xbox series X I’ve checked all game adds on there all fine I’ve cleared the cache on the game also done a hard reset of the Consol as well , I’m I load up call of duty vauguad and that work fine it’s just seems to be then new mw2

I

Hi there thanks for your time but still no luck tried everything you said and my NAT type says open earlier I even brought the vault edition pack and thought that would work but no

Thanks again