The "tunnel problem" in LogMeIn Hamachi is a common networking hurdle where the software fails to establish a direct, peer-to-peer connection between two computers. Instead of the "Green Status" indicating a healthy link, users often encounter a "Relayed Tunnel" (Cyan circle) or a "Blocked Tunnel" (Yellow triangle), resulting in high latency or no connectivity at all. The Anatomy of the Tunnel Problem
Resolving the tunnel problem requires a systematic approach to opening the path between peers: tunnel problem hamachi
At its core, Hamachi is designed to create a Virtual Private Network (VPN) by "punching through" firewalls. When successful, it establishes a direct connection. The "tunnel problem" arises when environmental factors—typically security settings or network configurations—prevent this handshake. The "tunnel problem" in LogMeIn Hamachi is a
If you use a proxy, it may break tunnel establishment—this is a common hidden cause of the problem. When successful, it establishes a direct connection
This is the most effective first step for clearing the yellow triangle. How To Fix: Hamachi Yellow Triangle of Death