Some older versions of Hamachi let you force direct tunnels via configuration.
Fixing the "Relayed to Direct tunnel" issue in Hamachi is a game of elimination. Start with the IPv6 disable (fixes 60% of cases). Move to the Firewall UDP port (fixes 30%). Use the Registry force and UPnP for the remaining 10%. hamachi relayed tunnel to direct tunnel fix
Do not rely solely on the icon color. You need to verify the connection path. Some older versions of Hamachi let you force
A relayed tunnel occurs when UDP hole-punching fails. Your computer and your peer’s computer simply cannot find an open port to talk to each other. Common causes include: hamachi relayed tunnel to direct tunnel fix