Sometimes i thappens that SmartConde VNC Manager fails to activate. In that case follow steps below to fix issue with licensing:
- Open cmd.exe and change directory to:
- Enterprise Edition: C:\Program Files\SmartCode Solutions\VNC Manager (Enterprise Edition)\
- Standard Edition: C:\Program Files\SmartCode Solutions\VNC Manager (Standard Edition)\
- Run the following command: vncmanager.exe /licdev
- You will be prompted to enter a serial number. You must complete this step. After that the application will close.
- Start SmartCode VNC Manager normally via the start menu shortcut.
Source: SmartCode Knowledgebase