Unauthorized modifications to the VNC binary files can cause application crashes or unpredictable remote connection drops.
Before you begin, ensure you meet the following requirements:
Copy the long alphanumeric string or download the license file ( .vnc extension). Step 2: Transfer the Key to the Secure Network Paste the key into a plain text file ( license.txt ).
How to Get and Use a RealVNC Offline License Key: The Complete Guide
To activate RealVNC using your new offline license key: realvnc offline license key new
. Unlike standard subscriptions that use online sign-in, offline keys allow you to license the software on devices without an internet connection or those requiring strict internal network isolation. 1. Locating Your Offline License Key You can find your offline license details within your RealVNC Connect Portal RealVNC Server 7.x: Look for a long, alphanumeric Offline license key Device Access > Deployment RealVNC Server 6.x: Look for a 25-character license key on the same Deployment page. On-Prem Management Console:
: Software runs entirely on-premises with no dependency on RealVNC cloud services for validation. How to Obtain Your Key
Look out for easily confused characters like O and 0 , or I and 1 . Copying and pasting the text directly eliminates this issue. "Key Expired" or "Subscription Required"
What (Windows, Linux, macOS) are your host machines running? Unauthorized modifications to the VNC binary files can
RealVNC uses a tiered subscription system divided into Lite, Essentials, and Plus plans.
Unlike legacy perpetual keys, modern RealVNC offline keys have an expiration date tied to your subscription term. If your contract expires or shifts, the key will become invalid. You must generate a new offline key from the portal annually or upon contract renewal. Security Best Practices for Offline Deployments
"License key is invalid or has expired for this version."
Disclaimer: Features and portal URLs are based on RealVNC Connect as of 2025. Always refer to the latest official RealVNC documentation for exact steps, as interfaces may change. How to Get and Use a RealVNC Offline
A: No. Once applied, the license is stored locally on the device. The software will not "phone home" to check the license status unless you have specifically enabled cloud connectivity features.
Generate an for the specific machine or generate a general license file. Step 3: Apply the License (Desk-side/GUI Method)
You must use VNC Server version 6.0 or higher. Legacy installations cannot read modern offline subscription payloads. Step-by-Step: How to Generate Your RealVNC Offline License
A RealVNC offline license key is a method of licensing your VNC Server without needing an internet connection. While most RealVNC subscriptions require a device to be online to validate the license, the Enterprise tier allows you to bypass this. This is critical for installations where security policies forbid internet access or where devices are physically isolated from the cloud.