RealVNC Connect (formerly VNC Connect), an offline license is essential for air-gapped systems or environments where cloud connectivity is prohibited. Only Enterprise subscriptions include the right to use offline licensing. 1. Obtaining Your License You can download your offline license from the RealVNC Connect Portal Device Access Deployment RealVNC Server 7.x : You will download a or a long license string. RealVNC Server 6.x : You will typically use a 25-character license key 2. Applying the Offline License

There are several scenarios where a VNC offline license file is necessary:

Unlike standard cloud licensing—which requires an active internet connection to "phone home" for validation—an offline license file is a standalone digital token or key applied directly to the software.

Add a license:

Run vnclicense -add /path/to/license.lic as a root user.

Manual Renewals:

Unlike cloud licensing, offline licenses do not auto-update. You must manually apply a new file once your current subscription period ends to avoid losing access.

Version Changes

: Starting with VNC Connect 7.x , the licensing model shifted from 25-character keys to longer license "tokens" or files. While 7.x will honor 6.x keys until they expire, you will eventually need the new file format. Applying an offline license to RealVNC Connect

Using a VNC offline license file has several implications:

4. Key Advantages