In many virtual environments, the system moves too fast to register the "unattended" files or the initial boot command. : Restart your VM.
If the "Express Installation" continues to fail, installing Windows manually avoids the need for the unattended.iso file: windows 11 cannot connect unattendediso to cd dvd 2 better
: The software downloads the Windows installer but fails to find the generated unattended.iso image required for the virtual CD/DVD drive. In many virtual environments, the system moves too
If none of these methods resolve the issue, you may want to consider: In many virtual environments
Troubleshooting "Windows 11 Cannot Connect unattended.iso to CD/DVD 2"