This is a total failure where no data can pass through. It is usually caused by a firewall or antivirus program viewing the Hamachi traffic as a threat and cutting it off entirely. Primary Causes
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 tunnel problem hamachi
This is the most effective first step for clearing the yellow triangle. How To Fix: Hamachi Yellow Triangle of Death This is a total failure where no data can pass through
The Hamachi tunnel problem is rarely a fault of the software itself, but rather a symptom of the complex security layers in modern networking. While it can be frustrating, most issues are resolved by ensuring that the virtual adapter has the freedom to communicate through the local firewall and router. When these barriers are cleared, Hamachi remains one of the most accessible tools for creating secure, private virtual networks across the globe. Instead of the "Green Status" indicating a healthy
Resolving the tunnel problem requires a systematic approach to opening the path between peers:
The "tunnel problem" in (typically an error like "Tunnel problem" or "Tunnel failed") isn't a feature—it's a connectivity issue . However, I can list the key features of Hamachi that relate to solving or causing this problem: