You must configure your local firewalls to allow traffic over VNC’s default port (usually TCP 5900 ) between the viewer and the server.
(usually found in the File menu or a prompt upon first launch). Select the option: "Register offline using a license key." Enter your key and click Step 3: Verification
You must manually check for and apply software patches.
Follow these steps on the isolated machine:
Re-run the request generation on the target machine and repeat the offline activation process. Do not try to reuse old response files. realvnc offline license key
Lower-tier or legacy free subscriptions generally require standard cloud authentication and do not support offline activation keys.
This comprehensive guide explores everything you need to know about RealVNC offline license keys, including what they are, why you need them, how to obtain and apply them, the costs involved, and how they compare to standard cloud licensing models.
What (Windows, Linux, macOS) are your offline servers running? Are you planning a manual setup or an automated deployment ?
Networks where outbound communication to RealVNC’s cloud service is blocked. Subscription Requirements You must configure your local firewalls to allow
RealVNC does not sell offline keys directly through its standard e-commerce portal. You must follow a specific procurement path.
Offline licensing is not available on standard retail, Home, or entry-level Professional plans. RealVNC restricts offline activation capabilities to . Organizations must procure a plan specifically supporting "Offline Deployment" or "Mass Deployment via License Key" through a RealVNC account manager or authorized reseller. When Do You Need an Offline License Key?
While cloud-based management is convenient for most, several scenarios mandate an offline approach:
These are completely free, open-source forks of the VNC protocol. They do not have cloud infrastructure, meaning they are completely offline by default and require no license keys. They are highly customizable but require manual security configuration (like tunneling over SSH). Follow these steps on the isolated machine: Re-run
Are you open to using to avoid licensing fees?
Navigate to the or Downloads section within your admin dashboard.
Right-click the and select Licensing .
| Feature | RealVNC Offline | TeamViewer (LAN only) | AnyDesk | TightVNC (free) | |---------|----------------|------------------------|---------|------------------| | Offline activation | ✅ Yes (file-based) | ❌ No (requires periodic online) | ❌ No | ✅ N/A (no license) | | Enterprise support | ✅ Full | Limited | Limited | ❌ None | | Hardware binding | ✅ Strong | Weak (user-based) | Medium | N/A | | Price (per seat/year) | ~$50-150 | ~$200+ | ~$80 | Free (no support) |
To retrieve your license details, you must have the , Administrator , or Manager role in your RealVNC Connect team. Applying an offline license to RealVNC Connect