Depending on your operating system and deployment scale, you can apply the key in several ways: Applying an offline license to RealVNC Connect
Understanding RealVNC Offline License Keys: A Complete Deployment Guide
: When using an offline key, you cannot use "Cloud Connectivity" (where you sign in with an email/password). You must connect via Direct IP address Network Path : Ensure your local firewall allows traffic on port (the default VNC port). realvnc offline license key
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The Complete Guide to RealVNC Offline License Keys: Enterprise Deployment Without Internet Depending on your operating system and deployment scale,
The VNC Server reads a static, cryptographically signed token or enters a key directly into the application registry or configuration file. No outbound connection to RealVNC servers is attempted or required. Structural Comparison Cloud-Managed Licensing Offline Licensing Internet Requirement Continuous or periodic outbound HTTPS Completely isolated (Air-gapped) Deployment Method RealVNC Account sign-in / Cloud join License key injection via CLI or GPO Session Brokering Cloud-brokering or direct connectivity Direct IP/Hostname connectivity only Subscription Check Automated real-time renewals Manual replacement upon expiration 2. Subscription Tiers Supporting Offline Keys
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For headless servers or automated enterprise deployments, you can apply the offline key via the command-line utility interface. Open a terminal with administrative privileges and execute: vnclicense -add YOUR-OFFLINE-LICENSE-KEY-HERE Use code with caution.
To help me tailor any further deployment instructions, what are your offline machines running, and how many devices do you need to license? Share public link