Virtual machine deployments of Windows 11 often hit a roadblock during automated installations. The hypervisor throws a specific error: This issue typically occurs in enterprise environments using VMware ESXi, vSphere, or Workstation when utilizing automated answer files ( autounattend.xml ).
On some systems (especially those using VMware or Parallels), Windows 11's "Memory Integrity" feature blocks virtual drive mounting. Try disabling it under Settings > Device Security > Core Isolation and rebooting.
Troubleshooting "Windows 11 Cannot Connect unattended.iso to CD/DVD 2" windows 11 cannot connect unattendediso to cd dvd 2 better
If you are seeing this error right now, try these manual workarounds:
: Instead of relying on a virtual CD/DVD drive, use tools like to create a bootable USB drive from the Windows 11 ISO. Bypass the "Press Any Key" Prompt Virtual machine deployments of Windows 11 often hit
: The software downloads the Windows installer but fails to find the generated unattended.iso image required for the virtual CD/DVD drive.
Windows 11 Pro - getting error on download page - Microsoft Q&A Try disabling it under Settings > Device Security
This comprehensive article will dissect the issue, explain why it happens, and most importantly, provide a detailed, step-by-step guide to not only fix it but also find better, more reliable methods to complete your unattended installation.
If you provide more specifics about the error messages you're getting or the exact steps you've taken so far, I could offer more tailored advice.
Ensure that in the VM settings, the CD/DVD drive is configured to connect at power-on.