Мне вот из поддержки ответили.

Dear Nicolay,
Thank you for contacting KONAMI!
We are sorry to hear about the issue you are encountering with PES 2015. Please know that we perform maintenance every Thursday and the third Tuesday of every month. If you are still encountering issues with the connection to our server, you may send us your Steam ID, Internet Service provider, type of connection and how long you've been having the problem. With that, we'll escalate your request so it can be reviewed.
Thank you for your time and interest in PES.
Sincerely,
Gabriel.
KONAMI C.O.D.E. Team