VDIs are an exact clone of the operating system build environment that anyone can download and use on another machine. Hyper-V: What's the Best Virtual Machine? For many users, it saves time to download and install an operating system in VirtualBox. You can download a VDI, load it in VirtualBox (or another virtual machine tool), and load the pre-built operating system environment. If you have any components that use or create virtual machines or system images, you might need to update or uninstall them to remove this safeguard hold.A virtual disk image (VDI) is the image of a VirtualBox virtual hard disk. In the case that VirtualBox is no longer installed on the computer, but the upgrade block is still present, it might indicate that you might have an application that is based on VirtualBox or which has bundled VirtualBox within their installation.

The company also warns that it could ” take up to 48 hours before the update to Windows 11, version 21H2 is offered.”

If you plan to upgrade to Windows 11, it’s possible to remove the safeguard hold on the computer by installing VirtualBox 6.1.28 or higher. The safeguard hold prevented users from upgrading a Windows 10 computer to Windows 11 to avoid potential issues during and after the installation. However, Oracle has resolved the compatibility issues between VirtualBox and the Microsoft virtualization platform since version 6.1.28. The reason was that an issue with the virtualization technology from Oracle was causing errors and failure when starting a virtual machine if any of the Microsoft Hyper-V components were present on the computer. Although Windows 11 has been available as a free upgrade since October 2021, Microsoft had to place a safeguard hold for computers using VirtualBox. Windows 11 is now safe to download and install on devices running VirtualBox.

VirtualBox still doesn’t have support for TPM and Secure Boot.

As a result, Microsoft removes the upgrade block to Windows 11.

Oracle fixes VirtualBox compatibility problem for Windows 11.

Windows 11 virtualbox image