You must create standard Windows user accounts for each terminal. Go to and add a unique username and password for every user station. Audio and Video Optimization
Re-register the software or ensure the terminals are properly connected to the PCI card. Conclusion ncomputing x550 software for windows 7
To ensure a smooth multi-user experience, configure these critical Windows 7 settings: User Account Creation You must create standard Windows user accounts for
Note: Windows 7 Home Premium, Home Basic, and Starter editions are strictly unsupported due to operating system limitations regarding concurrent remote desktop connections. Step-by-Step Installation Guide Open-source drivers for the X550 on Ubuntu 18
You must register the software to unlock its full functionality. Unregistered software will run in trial mode, disconnecting user sessions every few minutes.
Open-source drivers for the X550 on Ubuntu 18.04 exist (project “X2Go” fork), but stability is low. Not recommended for production.