A license key does not create magic. OpenVPN Access Server's unlimited license removes the software cap, but physics still applies. You need substantial hardware to handle thousands of concurrent tunnels.
Before we discuss "unlimited," we must understand the "server." OpenVPN Access Server is a full-featured, open-source based VPN solution that provides a secure network fabric for: openvpn access server license unlimited
Licenses count active, simultaneous tunnels, not total created user accounts. A license key does not create magic
An unlimited license model would conflict with hardware realities. Every connected user consumes CPU cycles, RAM, and network bandwidth. A single server instance will eventually bottleneck, making a software-defined "unlimited" license impractical without massive infrastructure. Official Ways to Scale to Hundreds or Thousands of Users openvpn access server license unlimited