Error code 721

Have had the same problem since last night, been on hold to EA for an hour and a half now..

Just got off the phone with EA Tech Support and the have provided me with the below instructions.

CLEAR ALTERNATE MAC ADDRESS
1. Go to Settings > Network Settings > Advanced Settings > Alternative Mac Address > Clear
2. After this shut down the console, disconnect the power cord from the back of the Xbox One and wait two minutes.
3. Once the two minutes have passed, plug the power back in and wait for the power bricks light to go from White to Orange.
4. Once the brick is Orange, start your console.

DELETE CLOUD SAVES
1. On Home, pull the right trigger, and then press A to open My games and apps.
2. Highlight the game, press the Menu button on your controller, and then select Manage game.
3. Scroll to the right, highlight the saved data for your gamertag under Saved Data, and then press A on your controller.
4. Choose Delete everywhere.
5. Restart Console

CLEAR PERSISTENT STORAGE
If console is wired connected, remove Ethernet cable. If console is wireless, Go to Settings > Network > Select their Network > Disconnect.
Once it is back on, press Menu button > Settings > Blu Ray & Disc > Persistent Storage > Clear Persistent Storage three times.

POWERCYCLE XBOX ONE
Follow these steps to power cycle your Xbox One Console:
1. While the console is on, press and hold the console's Xbox button for 5 seconds.
2. The console will power down.
3. Wait 30 seconds, and then turn your console back on by again pressing the Xbox button.

CHANGE PRIVACY SETTINGS
1. From the Home Screen, using the controller scroll left to the navigation pane.
2. Scroll down to Settings Icon.
3. In the Setting menu scroll down to Account.
4. Under Account, select Family.
5. Enter the password or passkey.
6. Select the account that you want to update.
7. Select the category of settings you want to update, such as Privacy & online safety.
8. Select the Adult defaults.
9. Toggle back to Child defaults and then finally back to Adult defaults once more.
10. Powercyle the console to complete the troubleshooting.

Did you find a fix? I'm having this and a ton of other messages but I can't connect either way. Cloud sync also won't work for whatever reason. 

Hello,

i bought the game few days ago on playstation store and i can't connect to servers. I try everyday and i didn't succed even once. Only getting error 721. My wi-fi is fine, everything not EA related on my PS4 is running online like it should. Anybody else have similar problem? I tried to restart my PS4, my router - nothing works. It's very annoying since i bought the game for it online features....

I have been playing this game since it came out and suddenly couldn't connect to the server. I have try restart my pc and also my router. Nothing happen. Can someone help me solve this issue? Btw I m from Australia.