Information on the BLZBNTBNA00000A8F error message

Customer Support can assist in recovering Battle.net Accounts if provided with necessary information.

How to resolve being unable to log in due to this error

Troubleshooting for error "Too many attempts" when trying to log in to the Blizzard website

Troubleshooting steps to help you connect to the Battle.net desktop app.

Troubleshooting for error Code: BLZBNTBGS0000020A

Decryption key is invalid or missing. Please uninstall and reinstall.

Decryption key is invalid or missing. Please uninstall and reinstall.

Error emerges when trying to restore the previous authenticator on a new device

How to remove your Blizzard Authenticator