Those servers were supposed to be sunset a couple of years ago. It looks like they're still up though. Have you tried playing today?
Community ManagerHave you always been able to change the difficulty? Unfortunately, I was never a fan of GMC so I'm not aware of what options are available once the league is created. You also said you can't create a new league, right?
Yes - we could change the difficulty or other league settings before. We could also create new leagues. We were able to do both most recently just a couple of months ago. Based on a number of threads on reddit, it seems like this inability to create/edit GM Connected leagues is a recent problem people have surfaced over the past couple of weeks. See these:
https://www.reddit.com/r/EA_NHL/comments/oth8w1/trouble_making_a_gm_connected_league_in_nhl_14/
https://www.reddit.com/r/EA_NHL/comments/oi8vfa/does_gm_connected_still_work_on_nhl_legacy_for/
https://www.reddit.com/r/EA_NHL/comments/omkemp/nhl_xbox_360_game_server_issues/
Same problem in EASHL cannot create leagues or change captains gives an error about league data.
Community Manager
