COD mw3 cant connect to call of duty modern warfare 3 server

Now this one :
I was playing COD Then i quited the game and after i wanted to play again ..And now it says cant connect to mw3 servers…. What the heck happend ?
Answer #1
Have you tried restarting Steam, or even the PC?
Answer #2
Not working
Answer #3
Anyone ?
Answer #4
Is it a legit version?
Answer #5
Yes, it is a legit version.
kosa, you should read this:
http://activision.custhelp.com/cgi-bin/activision.cfg/php/enduser/std_adp.php?p_faqid=77715
http://activision.custhelp.com/cgi-bin/activision.cfg/php/enduser/std_adp.php?p_faqid=77661&p_sid=-XBkIESk&p_lva=77715