Multiplayer Access Denied - Answer HQ - Electronic Arts
Your posting account has Origin games but isn't linked to any Xbox account. As a test you could, with a fresh email address, create a new Origin account, then create a new teen account on the Xbox and ensure that they're working together, and try again. As long as game Xbox Live sharing is active you try using this account online as a test.
DA: 59 PA: 63 MOZ Rank: 40