If your computer has multiple network connections (e.g., both Wi-Fi and Ethernet), Hamachi might get confused and route traffic through the wrong adapter.
This article is a definitive, step-by-step technical deep dive into diagnosing and fixing the Relayed Tunnel problem permanently.
This article will walk you through everything you need to know about Hamachi relayed tunnels, why they occur, and most importantly—how to convert that relayed tunnel into a for faster, more reliable connections.
How to Fix Hamachi Relayed Tunnel and Get a Direct Connection hamachi relayed tunnel to direct tunnel fix
At the bottom of the IP Settings tab, uncheck .
Excellent. Data flows directly between the two computers without third-party interference. This yields the lowest possible ping.
This is the most reliable fix. You are telling your router: “Let UDP traffic on port 12975 through to my PC.” If your computer has multiple network connections (e
Locate the , Virtual Server , or NAT settings. Create a new port forwarding rule: Application Name: Hamachi UDP External/Internal Port: 12975 Protocol: UDP
Most consumer routers don't require forwarding for Hamachi (it uses outbound NAT traversal). However, if you have a Symmetric NAT or double NAT, forward UDP 12975 to your PC's local IP.
A relayed tunnel happens when Hamachi cannot establish a direct peer-to-peer (P2P) UDP connection. This is almost always due to . How to Fix Hamachi Relayed Tunnel and Get
How to Fix Hamachi Relayed Tunnel and Change it to Direct Tunnel
Here is a step-by-step guide to converting that relayed tunnel back into a green, Direct Tunnel 1. Restart the Hamachi Tunneling Engine
Scroll down and look for . Ensure both the Private and Public checkboxes are ticked. Click OK . 2. Manually Add Hamachi Executables (If Missing)
Exported on: 2025-07-08.