Unable to Host World
Newbie here. While I understand the basics of Minecraft everytime I try to host a world for my students to join I get "Unable to connect to world" and P2P/SIG: no_nosession(-2147020579) Any help would be appreciated. Thank you.
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What device are you and your students using?
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I've actually been getting this error fairly often recently, but only when trying to host my second world of the day -- my first class usually hosts fine. I've been getting around it by closing Minecraft and re-opening it, which allows me to host worlds again.
Dominick, where can all these settings be found on a home system? Am I looking in the firewall, router settings, or both?
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These are all on device/firewall:
- Make sure that //*.minecraft-services.net/ has been allow listed through firewall and content filters.
- The signaling connections use wss://signal.franchise.minecraft-services.net.
- Our system now uses ephemeral ports. They will need to be unblocked.
- Try toggling
cellular datasetting to on with tablets, Chromebooks, android phones and iOS phones.
These are the router/ network:
- The STUN and TURN connections use turn.azure.com / world.relay.skype.com on the 20.202.0.0 / 16 IP range using remote TCP port 443 and remote UDP ports 3478-3481
- The peer-to-peer connections between host and joining client use local ephemeral UDP ports specified by the host client (the local port range is defined by the OS) and sent to the joining client via the signaling service.
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