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How to fix ‘There was a problem logging in (Code 34203)’ error in Diablo 4

The biggest boss in Diablo IV is the overwhelming number of players.

The Diablo IV beta is finally here and players are logging into the game en masse as the servers go live across the world. But a large number of players are being met with errors and are unable to log in to the game for unknown reasons. As players wait for official word from Blizzard, many are curious about how to fix these errors for themselves.

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If you’ve faced the “There was a problem logging in (Code 34203)” error, it’s likely due to the sheer number of people trying to log in to the game for the first time all at once. Here’s all the information you need to know about how to fix the “There was a problem logging in. (Code 34203)” in Diablo IV.

Best ways to fix error code 34203 in Diablo 4

Screengrab via Activision Blizzard

At time of writing, there has been no official word from Blizzard on how to resolve these login issues, so players will need to test out some tried-and-true methods. For starters, make sure that you’re sitting through the queue so you don’t lose your place in line since it seems to only be getting longer for the time being.

Some options to resolve this error can include:

  • Restarting Diablo IV when you get the error
  • Restarting your Battle.net application
  • Attempt to rejoin when more people in your region are offline

Related: Why are Druid and Necro locked in the Diablo 4 beta?

Other than that, we’ll likely have to wait for official word from Blizzard about the state of the servers and if these login issues are likely to persist beyond the initial launch period. If this error keeps players from getting into the game for long, it will prevent more players from being able to experience the full Diablo IV beta as the developer intended it.


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Christian Harrison
Christian is a freelance writer of five years who's been with Dot Esports for over 15 months covering Fortnite, general gaming, and news. Some of his favorite games include Yakuza 0, The Witcher III, Kingdom Hearts 2, and Inscryption.