Error code
Blizzard BLZBNTTAS00000001
BLIZZARDBLZBNTTAS00000001
Game/Platform Error· An error code shown by a game or gaming platform/launcher.
What it means
Authentication could not be completed — usually accompanied by 'We can't authenticate you right now'..
How to fix it
- Check Blizzard service status and @BlizzardCS for maintenance notices.
- Reset your Battle.net password.
- Flush DNS and restart the router.
- Contact Blizzard Support if the problem persists outside of maintenance windows.
Not affiliated with Blizzard. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Blizzard codes
- BLZ51903003The game client lost its connection to Blizzard servers with an "An error has occurred. Please try again later" message.
- BLZ51903021WoW displays "An Error has Occurred. Please Try Again Later" and the client cannot log in.
- 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.