If reputation isn't increasing that's one issue, but if it's always showing the users as a guest, that's a different issue. "Guest" users will not get reputation because there's no user account.
User 2FA Broke, How Can I Disable?
I have a user whose 2FA isn't working and they can't log into the forum. I don't see where I can even disable 2FA for someone, let alone reset it.
Hi @scottalanmiller you should be able to disable a user's 2fa from the admin settings page for 2fa: