Hamachi Relayed Tunnel To Direct Tunnel Fix -

How to Fix Hamachi Relayed Tunnel and Restore a Direct Connection If you see a

| Feature | Hamachi | ZeroTier | Tailscale | | :--- | :--- | :--- | :--- | | NAT Traversal | Weak (Relay heavy) | Excellent (STUN + UPnP) | Excellent (DERP relay fallback) | | Speed | Slow UDP relay | WireGuard (Fast) | WireGuard (Fast) | | Tunnel Type | Relayed (default) | Direct (default) | Direct (default) | | Setup | Simple | Moderate | Very Simple |

Here’s a clear, step-by-step guide to fix a Hamachi relayed tunnel and achieve a direct tunnel connection between two clients. hamachi relayed tunnel to direct tunnel fix

⚠️ If both peers are behind Symmetric NATs, a direct tunnel may be impossible.

Quick Checklist for Both Users

| Action | Your PC | Friend's PC | |--------|---------|--------------| | Hamachi version same? | ✅ | ✅ | | Allow direct traffic ON | ✅ | ✅ | | IPv6 disabled on Hamachi adapter | ✅ | ✅ | | Firewall allows UDP 12975 in/out | ✅ | ✅ | | Network profile = Private | ✅ | ✅ | | No VPN interfering (e.g., NordVPN, OpenVPN) | ✅ | ✅ | | Restarted Hamachi after changes | ✅ | ✅ | How to Fix Hamachi Relayed Tunnel and Restore

Phase 2: Firewall Configuration

If the port is forwarded but traffic is still blocked, the OS firewall or 3rd party antivirus (e.g., Norton, McAfee, Windows Defender) is likely the culprit.

Step 1: The Quick Wins (Software Configuration)

A. Disable IPv6 on the Hamachi Adapter This is the single most effective fix for "Stuck on Relay." | ✅ | ✅ | | Allow direct

Step 3: The Nuclear Option – Manual Port Forwarding

This is the most reliable fix. You are telling your router: “Let UDP traffic on port 12975 through to my PC.”