Voice Chat on Xbox Live with Guest Account in Halo Reach: Not Possible

Guest accounts cannot use voice chat on Xbox Live. This is by design.

Why Guests Can't Voice Chat

• Temporary Profiles: Guests are local-only, limited profiles with no persistent identity.
• Xbox Live Features Require Full Account: Voice chat, parties, messages, friends list—all need a full Xbox Live account.
• Online Multiplayer Requires Gold: Even with a full account, Xbox Live Gold (now Game Pass Core) subscription is required for online multiplayer.

To Voice Chat in Halo Reach

1. Create a free Xbox Live / Microsoft account (on console or account.microsoft.com).
2. Subscribe to Xbox Live Gold / Game Pass Core.
3. Add friends, join a party, enable voice chat.

What Guests CAN Do

• Play local multiplayer (split-screen) on the same console.
• Earn achievements (saved to host's console, not uploaded).
• Access offline modes only.

Guests are for couch co-op only. For online voice, every player needs a full account + Gold/Core.