Hamachi Peer Problem 2021 -

ping 25.0.0.x (replace x with peer's Hamachi IP) tracert 25.0.0.x netstat -an | findstr "12975" If ping fails but tracert shows multiple hops → relay mode. If no response → firewall or adapter issue. | Action | When to use | |--------|--------------| | ✅ Allow Hamachi in firewall | Most common fix | | ✅ Restart Hamachi service | Quick refresh | | ✅ Reset virtual adapter | Adapter malfunction | | ✅ Rejoin network | IP conflict | | ✅ Disable other VPNs | Software conflict | | ✅ Reinstall Hamachi | Last resort | Note : Hamachi free version is limited to 5 devices per network. Exceeding that can cause peer visibility issues. If the problem persists after all steps, consider alternatives like ZeroTier , Tailscale , or Radmin VPN , which handle peer-to-peer tunneling more reliably on modern networks.