Star Wars Battlefront 2 is currently available for free on the Epic Games Store until the 21st of January, however you might have trouble playing multiplayer, Players have been seeing error codes 623, 918, and 721, all of which point to the same problem—no connection to EA’s servers. This indicates that the EA servers have been completed overloaded, something that has not happened in a long time.
EA has been working to fix the problem, as the EA Help Twitter account explained:
“An incredible number of players have joined us during our @EpicGames Store free week and we’re scaling up new servers to welcome you all to the Battlefront.”
Seeing Error Message 623 or 918 in #StarWarsBattlefrontII?Sit tight, we’re on it! An incredible number of players have joined us during our @EpicGames Store free week and we’re scaling up new servers to welcome you all to the Battlefront.January 15, 2021
Although a subsequent tweet suggested the problem had been fixed, saying that, “We’re happy to report the issue affecting #StarWarsBattlefrontII server capacity has been resolved”, players in the replies are still seeing the same errors. I just fired it up, and I couldn’t connect either.