Dear Sir/Madam,
Thank you for contacting Electronic Arts.
I am sorry to inform you that currently servers of Fifa 12 are down and our engineers are working on it.
Please visit the link mention below:-
http://forum.ea.com/uk/posts/list/1042986.page
http://support.electronicarts.co.uk/app/answers/detail/a_id/5770
We don't have any ETA's when this will be resolved. However, Please try again within 24-48 hours.
Regards,
Riyaz
Electronic Arts – World Wide Customer Experience