You have been disconnected (BLZ51914400)

Been having this issue since prepatch. When I login via the launcher and launch the game it immediately says "You have been disconnected. (BLZ51914400) Only happens when launching the game through battle.net I have multiple battle.net accounts and it occurs to both. Classic era work and so does retail without issue. I have to login manually at the screen with my account info.

Extremely annoying.

2 Likes

Same here. Everything was working fine during whole Wrath Classic. Since Cata Patch getting "You have been disconnected. (BLZ51914400) and i have to enter info every single time, really annoying. Only occures on Classic servers (multiple accounts), but not on the Beta for example.
Tried alot of things already like reinstall, restart router, dns flush, scan and repair, disabling all addons, checking all chars etc.
As this problem did not occur before prepatch i guess the problem might not be on our side? Do we have to enter infos every single time we login now until the end of time? xD

Try updating your graphics driver. Then restart computer if you haven’t done that. Fixes like 99% of all issues for me.

This might help,

Its a similar error code with a similar cause. Give it a shot.

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