Xbox controllers both connecting to the same account, preventing multiplayer

[gleaming parcel]

My little brother got an Xbox recently and since he's having a friend over we got him a second controller, but when we try using it for multiplayer games, both controllers inputs only affect one account. We've tried using a guest account but the game just crashes immediately after. I personally use PlayStation and I've never had any issues like this so idk what else to do

[hidden barn]

@gleaming parcel Thanks for posting! Please remember, support here is volunteer-based and not official. Be patient after posting, and don’t spam or ask in other channels.
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[kind marlin]

Press the Xbox button → go to Profile & system → Settings → Devices & connections → Accessories.

Select each controller and confirm which profile it’s assigned to.

If both say the same account, reassign one to the guest/friend’s profile. try this se if it helps

[gleaming parcel]

I'm pretty sure I did that, assigning one to my profile and one to his but they still both acted like they were controlling his one only

[kind marlin]

you trying to use it on another xbox or same xbox?

[gleaming parcel]

Same xbox