Common Problems
- Before you can connect to the game servers, you must add a phone number to this account. Visit the Battle.net Account Settings page to add a phone number. Error code:Â BLZBNTBGS00004665
- When I try to log into Warzone I get an error.
To play Call of Duty: Warzone, you'll need to add a valid phone number to your Battle.net account. Visit your Battle.net Account Management page to add a phone number.
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