The request file and response file have different machine IDs. This happens if you changed hardware (NIC, motherboard) after generating the request.
The server will now show as "Licensed" without needing a cloud sign-in. Method B: Using the Command Line (CLI) For bulk deployments or headless Linux servers, use the vnclicense : Open Command Prompt as Administrator and run: realvnc offline license key
Keep in mind that using a license key without a valid subscription or agreement may violate RealVNC's terms of service. The request file and response file have different