The most common cause is the firewall blocking the Hamachi tunneling engine. Allow the App Control Panel System and Security Windows Defender Firewall Allow an app or feature through Windows Defender Firewall Change settings
Hamachi needs one of the two peers to have a public IP or an open port. If both of you are behind "Strict" or "Symmetric" NATs (common with cellular hotspots or cheap routers), Hamachi cannot negotiate the direct path. hamachi relayed tunnel to direct tunnel fix
. This often causes high latency and connection drops. To fix this and achieve a "Direct Tunnel" (green dot), follow these steps: 1. Configure Windows Firewall The most common cause is the firewall blocking