Since 1.17 came out on Bedrock it has been a roller coaster for us. I can't join my friends world and he can't join my world. NOTE: We are not playing Realms. I have tried joining his world on a whole another computer. Nothing it always shows "Unable to connect to world". We have tried every single troubleshooting method but none of them have worked. Check the Microsoft account settings, check the settings in Minecraft itself, relogging in to our Microsoft accounts, checking the internet connection, etc.