Error code
Blizzard BLZBNTBNA00000A8D
BLIZZARDBLZBNTBNA00000A8D
Game/Platform Error· An error code shown by a game or gaming platform/launcher.
What it means
The Battle.net app could not complete the login process..
How to fix it
- Toggle Battle.net to Offline mode then back to Online.
- Switch to a different Battle.net region.
- Delete the Battle.net cache folder.
- Flush DNS (ipconfig /flushdns).
- Restart the router and computer.
- Reinstall the Battle.net app.
Not affiliated with Blizzard. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Blizzard codes
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- BLZ51914003The WoW game client was immediately disconnected after attempting to connect to a realm.
- BLZ51934200World of Warcraft shows "There are currently no servers available" — common on patch days.
- BLZBNTAGT00000840Something went wrong with a game file and the update cannot proceed.
- BLZBNTAGT0000084BThe Battle.net Update Agent could not modify the necessary game files on disk.
- BLZBNTAGT000008A4The Battle.net desktop app is unable to download a file required for installation or patching.
- BLZBNTAGT000008FCThere is a conflict with one or more programs or services on the system.
- BLZBNTAGT00000960The Battle.net launcher failed to save or apply update files during patching.
- BLZBNTAGT00000BB8The Battle.net Update Agent failed to download or write new update data.
- BLZBNTAGT00000BCEA game patch failed because the downloaded patch data is corrupt or invalid.
- BLZBNTAGT00001389The Battle.net desktop app cannot download a file needed to install or update a game.