I updated Windows 1020H2 and found that the host-only adapter that VirtualBox used for its virtual environment disappeared on the Windows side and changed to a new numbered adapter.
As a result, the pre-update virtual environment was unable to boot.
I'd like to be able to boot, but do I have no choice but to manually configure the host-only adapter in Windows?
Add the error.
That's all.I would appreciate it if you could provide me with information.windows windows-10 virtualbox
After you start VirtualBox, you can manage the host-only adapter by starting File → Host Network Manager.
By creating and deleting it here, the adapter will also be added and removed from the Windows host-side Network Connection setting.
After the old adapter was removed for some reason, the virtual machine configuration still specifies the adapter (deleted) and the boot may fail.
Try re-creating the adapter from Host Network Manager above and also checking the individual settings of the virtual machine.
Virtual Machine Configuration Screen:
For your information, I will also include the default Host Only Adapter configuration screen.
Host Network Adapter Settings Screen:
DHCP Server Tab
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