The Hamachi client refreshed. It queried the central server, then reached out for Sarah’s IP again. It attempted to "punch through" the Network Address Translation layers. It tried to navigate the complex web of internet nodes to find a direct line.
In some environments, you achieve a direct tunnel: relayed tunnel hamachi
In these cases, a relayed tunnel is the only option. If latency is unacceptable, consider alternatives like (which often handles difficult NATs better) or Tailscale (uses DERP relay servers but with better performance than Hamachi’s legacy relays). The Hamachi client refreshed
Go to Control Panel > System and Security > Windows Defender Firewall > Allowed Apps. Ensure "LogMeIn Hamachi" is checked for both Private and Public networks. relayed tunnel hamachi
"Is your internet dying?" Sarah asked, panic rising.