Sometimes the registry requires admin rights to save the activation status.
Ensure you haven't downloaded the "Enterprise" version while holding a "Standard" key. Conclusion
When searching for an "activation key upd top," you will likely encounter sites offering "keygens," "serial numbers," or "cracked" executables. Here is why these are dangerous for a PBX environment:
The search for an usually stems from a common problem: you’ve installed this powerful tool to capture and analyze your RS232, Ethernet, or USB PBX data, but the trial period has ended, or you’re migrating to a new server.