Weasel Code after Changing Username

Lofty#7740
Bug Summary: User is unable to access Marathon Servers after changing username.

Conduct the following:
Have Marathon loaded, in game (Via Steam, specifically).
User changes Bungie ID in Google on another monitor.
User is able to maneuver throughout application.
User queues game.
User is kicked and unable to access the game since.

Please let me know if there is anything that I am able to do on my end.