Battle.net Authenticator Migration - January 2024 Guide

Why Blizzard Retired the Standalone Authenticator

In late 2023, Blizzard announced the retirement of the standalone Blizzard Authenticator app, requiring all players to migrate their account security to the Battle.net Mobile App by January 5, 2024. The standalone app was removed from app stores as early as January 1, 2024; accounts that had not migrated by January 5, 2024 had the old Authenticator removed and received a forced password reset via their registered email address.

The reasoning was straightforward: in April 2022, Blizzard had merged the Authenticator function directly into the Battle.net Mobile App, also adding social features like in-app chat. The standalone app became redundant, and maintaining two separate authentication systems carried unnecessary security risk.

How the Migration Worked

Migrating from the standalone Authenticator to the Battle.net Mobile App involved three steps:

Download the free Battle.net Mobile App for iOS or Android.
Open the app and log in to your Blizzard account.
Locate the Authenticator feature in the app and follow the on-screen prompts to link it to your account.

Once the Battle.net App Authenticator was active, the old standalone app could be removed from the device. The migration preserved all existing account security perks provided players removed the old app only after the new one was active.

Rewards for Adding Account Security

Players who added an Authenticator to their Battle.net account received two perks. Both remain active today for anyone who adds these security features to a new or existing account:

The Core Hound Pup battle pet, awarded for adding any Authenticator to a Blizzard account.
Four extra primary bag slots on every retail WoW character. These require both an active Authenticator and Battle.net Phone Notifications enabled simultaneously. The Authenticator alone does not grant the bag slots.

Neither perk applies to WoW Classic games — retail characters only.

Battle.net Phone Notifications

Battle.net Phone Notifications is a separate feature that links a text-enabled phone number to a Blizzard account. Once active, it can perform several account recovery actions without requiring access to the registered email:

Unlock a locked Blizzard account
Remove a lost Authenticator
Recover an account name
Reset a password

Players can also configure it to send text alerts when certain account activity occurs, such as a password change or a security feature being added or removed.

What Happened to Accounts That Did Not Migrate

Accounts that still had the old standalone Authenticator linked as of January 5, 2024 had it automatically removed by Blizzard. A password reset notification was sent to the registered email. No game data or progress was affected; players needed only to set a new password and re-add an Authenticator via the Battle.net Mobile App to restore two-factor protection.

FAQ

When was the Battle.net Authenticator migration deadline?

The deadline was January 5, 2024. Blizzard announced the retirement in late 2023, and accounts that had not migrated had the old Authenticator removed and received a forced password reset.

Is the standalone Blizzard Authenticator app still available?

No. The standalone app was removed from all app stores in early January 2024. Two-factor authentication for Blizzard accounts is now handled exclusively through the Battle.net Mobile App.

Does the Core Hound Pup pet still exist?

Yes. The Core Hound Pup battle pet is still awarded to any Blizzard account that has an active Authenticator linked through the Battle.net Mobile App. Players who have not yet added an Authenticator can still earn it today.

How do I get the 4 extra bag slots in WoW?

The four extra primary bag slots for retail WoW characters require both an active Battle.net App Authenticator and Battle.net Phone Notifications enabled on the same account. Enabling only the Authenticator is not sufficient — both features must be active simultaneously.

Do the bag slots apply to WoW Classic?

No. The four extra bag slots are a retail WoW benefit only and do not apply to Classic, Season of Discovery, Hardcore, or any other Classic-era game mode.

What is Battle.net Phone Notifications?

Battle.net Phone Notifications links a text-enabled phone number to a Blizzard account. It enables players to unlock their account, remove a lost Authenticator, recover their account name, and reset their password via text message — without needing access to the registered email address.

Can I still add an Authenticator to my account today?

Yes. The Battle.net Mobile App Authenticator works normally today. Players who activate it will receive the Core Hound Pup pet and, once Phone Notifications is also enabled, qualify for the four extra retail WoW bag slots.

Last reviewed 2026-06-20 against Blizzard's January 2024 Authenticator migration announcement — Maintained by WowCarry's WoW team.