This Sysprep error appears to be related to Windows Update and your Reference VM. If you are experiencing this, please try the following;
- Start the virtual reference machine and run Windows Updates. Install all updates
- Restart the virtual reference machine via the Start menu
- Once back at the desktop, check open Windows Updates and select Pause Updates
- Restart the virtual reference machine
- Open Windows Store and check for updates and install them by clicking the dots in the top right corner
- Open Windows Updates and resume the updates and check for more Windows Updates and restart again if any are found
- Open an administrative command prompt and type: shutdown.exe /s /t 0
- Recapture/deploy again