Virtualization Windows Windows Server

Fix Boot Failed UEFI SCSI Device on HyperV


While setting up your Windows 2016 Server on Hyper-V you may have selected Generation 2 simply because you need features like Secure Boot, SCSI boot, TPM, and PXE boot but this selection can also lead to another issue of boot failure. In this guide, I will show you how to quickly fix the “Boot Failed. UEFI SCSI device error”. Check this if you want to know How to fix “This PC Can’t Run Windows 11” error on Hyper V, How to enable Secure Boot on PC to install Windows 11, How to Fix Hyper-V Virtual Machine Stuck in Stopping State, How to install Windows 11 on HyperV, and How to enable vTPM in Windows Server 2016 HYPER-V. In this article, you will learn how to fix Boot Failed UEFI SCSI Device on HyperV when installing Windows Server 2016.

Generation 2 VM Selection

The image below shows Generation 2 is selected. Please see these related articles: Generation 2 VM: How to set up a Hyper-V Virtual Machine through PXE boot, Enable HyperV on Windows: How to install Windows 11 on HyperV, Initialize and format a virtual disk: How to add and remove a new virtual disk from a VM on VMware Workstation, and Hyper-V Server Core Mode: How to install free Hyper-V Server on a VMware Workstation.


Why was the error “Boot Failed UEFI SCSI Device” prompted?

Once you launch the Virtual Machine and you do not press any Key immediately. It will not boot from the source you configured.


Below is what will show next. Simply because you did not press any key on time and this will affect the installation from proceeding.


How to fix the “Boot Failed UEFI SCSI Device” error when installing Windows 2016 Server on HyperV

To get past this above error you need to hold down any key as you start up the virtual machine. You will notice it at the top of the screen. It says “Press any key to boot from CD or DVD”.

The issue is that it does not wait for you to press a key when it gets to this stage. Rather make sure you have a key held down before it shows this message.

 Once that is done, you will see the Windows Boot Manager prompt allowing you to boot to the setup by just hitting the Enter key.

After this is done you will get a successful boot to the Windows Setup. Please see An error occurred while attempting to connect to the server: Check if the Virtual Machine Management service is running or if you are not authorized to connect to this server.


Your Windows Server 2016 will be installed successfully.


Here is a YouTube video on how to fix the “Boot Failed. UEFI SCSI Device” error when installing Windows 2016 Server on Hyper-V. Please see How to Format a USB on macOS. How to fix Error –“ kinit: Malformed representation of principal when parsing name”. And how to Hide Windows Notification Center

I hope you found this blog post on how to Fix Boot Failed UEFI SCSI Device on HyperV when installing Windows Server 2016 helpful. In case you have any questions do not hesitate to ask in the comment section.

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