If you change your VM’s MAC address, migrate it to a new ESXi/Proxmox host, or alter the allocated vCPU count after buying the key, the System ID changes. The old key will no longer match. You will need to contact EVE-NG support to request a license migration.
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The market contains numerous websites offering "cracked," "keygen," or "free premium" EVE-NG Pro license keys. Engaging with these resources carries severe risks:
If your new license key fails to validate, the issue is usually related to network configurations rather than the key itself.
: Enter the code generated in Step 1 during the checkout process. eveng pro license key new
If you prefer using the Command Line Interface (CLI), you can SSH into your EVE-NG server as root and run the registration script provided in the EVE-NG documentation: eve-ng-license -a Use code with caution. 6. Troubleshooting Common License Errors
For most learners and many professionals, the free is an excellent starting point. It provides a robust foundation for learning and experimentation. If your needs grow to require the professional-grade features, make the smart decision: invest in an official EVE-NG Pro license . It's not just an expense; it's an investment in your skills, your security, and your professional integrity, unlocking the full potential of the world's leading network emulation platform.
Download the latest Pro version from the website.
Engaging with pirated software introduces severe risks to your infrastructure: If you change your VM’s MAC address, migrate
: Your EVE-NG server must have unrestricted internet access (specifically to https://www-eve-ng.net ) for the license to validate. 📝 Note on IOU/IOL "License Keys"
Are you looking to upgrade an , or are you setting up a brand-new Pro server ? Share public link
EVENG, short for Ethersa Lab, is a network simulation and virtualization platform that enables users to create complex network topologies using virtual devices. This software is designed to mimic real-world network environments, allowing users to test, configure, and troubleshoot network configurations without the need for physical hardware. EVENG supports a wide range of network devices, including routers, switches, firewalls, and more, making it an ideal solution for network engineers, administrators, and students.
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The license provides several advantages over the free Community edition:
However, for those progressing into large-scale enterprise simulations, team-based projects, or advanced troubleshooting, the limitations of the free version quickly become bottlenecks. Here are the key advantages that the Professional license unlocks:
| Feature | EVE-NG Community (Free) | EVE-NG Professional (Licensed) | Key Benefit | | :--- | :--- | :--- | :--- | | | Free and open-source | ~$160 USD/year | Pro pays for itself in productivity if you need the extra features. | | Nodes per Lab | 63 | 1024 | Pro is essential for building large, complex topologies like service provider or data center networks. | | Node Limit | N/A | Up to 32K user accounts (restricted by license) | Scalability for enterprise training and large teams. | | Multi-User | Single-user only | Full multi-user with role-based access control (Admin/User) | Enables collaboration. | | Performance | Single user only | Role-based access (multi-user) with hot-links and live timers. Docker support for tools like Wireshark | Critical for team environments. | | UI & Experience | Simple interface, basic customization | Polished UI, HTML Desktop Console, integrated Wireshark capture | Improved workflow for complex labs. | | Key Enterprise Features | No built-in support | Docker container support, Integrated NAT cloud, Lab timer for self-training, HTML desktop console, Custom templates | Adds a vast array of new lab capabilities. |
