If your router has poor NAT traversal support, Hamachi may fail to "punch through" to other peers. How To Fix: Hamachi Yellow Triangle of Death
hamachi-2-ui.exe are checked for Private and Public networks. Disable Your Antivirus Temporarily Third-party antivirus programs (like Avast, Norton, or McAfee) often have their own firewalls that block virtual private networks. Disable the shield temporarily to see if the "Direct Tunnel" status turns green. If it does, add Hamachi as an exception in your antivirus settings. Enable UPnP on Your Router Log into your router's web interface (usually
If you're still experiencing issues after trying these steps, it might be helpful to consult the official LogMeIn support resources or contact their customer support for further assistance. They can provide more specific guidance based on your exact situation.
Under , find Local UDP Address and set it to 12122 . Find Local TCP Address and set it to 12121 . hamachi direct tunnel blocked
: Problems with your internet connection can affect Hamachi's ability to establish a direct tunnel.
: If none of the above steps work, you might consider uninstalling and then reinstalling Hamachi.
In Hamachi, peers can connect via two tunnel types: If your router has poor NAT traversal support,
A occurs when Hamachi cannot establish a peer-to-peer connection. This is usually due to: Strict NAT settings on your router. Windows Firewall blocking the specific port. Antivirus software flagging the virtual adapter. 🛠️ The "Big Three" Fixes 1. Prioritize Hamachi in Windows
Hamachi loves to hop ports, which confuses most routers. Forcing a static port makes it easier to "punch through" the firewall.
Here are the most effective ways to break through the block and get your green light back. 🟢 Why is it "Relayed"? Disable the shield temporarily to see if the
: Verify that your internet connection is stable. Try restarting your router or connecting via a different network.
Disable and then Re-enable the Hamachi adapter in your Network Connections. ⚠️ A Note on Campus/Corporate WiFi