Did 2K shutdown 2K15 servers?
According to a tweet from the official 2K support account, the online service for NBA 2K15 will be terminated in all systems. Be quick if you still need to earn online trophies.
Did 2K shut down 2K20 servers?
NBA 2K20 servers are currently down for maintenance. Players are unable to access MYTEAM, MYCAREER, MYLEAGUE and more. If you are facing some other issues related to NBA 2k20, we recommend that you check for and install any available console updates.