Vmware Windows 10 Inaccessible Boot Device Apr 2026

She killed the loop and powered off the VM. Her mind raced through the possible causes. She hadn’t changed any boot order settings. No new disks. Just a standard Windows Update. But this error— inaccessible boot device —meant one thing in VMware: the virtual hard disk controller had changed, or the driver for it had vanished into the digital abyss.

That was the key. Windows 10 had loaded its update, rebooted, and lost its mind—or more precisely, lost its storage driver. A classic race condition: Windows tried to load the disk driver milliseconds after it had already given up on the boot volume.

diskpart list volume exit dism /image:D:\ /get-drivers /format:table No VMware storage driver listed. Of course. vmware windows 10 inaccessible boot device

The VMware splash screen appeared. The swirling dots. Five seconds. Ten seconds.

Then: “Driver installed successfully.” She killed the loop and powered off the VM

She had two choices. Rebuild from backup (three hours of restore time, plus a crying VP of Finance on Monday morning) or fix the driver offline.

“Oh no,” she muttered. “Not the payroll box.” No new disks

She pulled the VM’s logs from /var/log/vmkernel.log on the ESXi host. Buried in the red text: “Device ‘scsi0:0’ is not ready. Access to device failed.”