app on your remote computer using your RealVNC account email and password. Management: You can manage your endpoints and renewals through the RealVNC Cloud Portal 2. If you have a legacy license (Enterprise/Personal)
Always ensure your license key is obtained through official channels to maintain the security and integrity of your remote access setup. If you have lost your key, contact RealVNC support with your vnc server license key serial number upd
Enter New License Key/Serial Number: If you're updating or upgrading your license, there should be an option to enter a new license key or serial number. app on your remote computer using your RealVNC
Offline Licensing: For environments without internet access, you must obtain an "offline license" (a long token or file) from the Deployment page of your online portal. This must be manually applied through the graphical License Wizard. Open an elevated Command Prompt (Run as Administrator)
If you bypass activation, you cannot legitimately update VNC Server. This leaves you vulnerable to known exploits (e.g., CVE-2022-23943) that are patched in official updates. Attackers actively scan for outdated VNC servers.
that compromise the very remote access you are trying to secure. License Revocation
To ensure uninterrupted access to VNC Server features and updates, it's essential to keep your license key and serial number up-to-date. Here's how:
net stop vncserver
"C:\Program Files\RealVNC\VNC Server\vnclicense.exe" -add <YOUR-LICENSE-KEY>
net start vncserver