Recover domain admin password with no backup

This is assuming you have the Bitlocker key, or you don’t use Bitlocker.

Download server 2016 ISO > attach to VM > reboot into ISO > Repair your Computer > Troubleshoot > Command prompt

cd C:\Windows\System32

ren osk.exe osk.old

copy C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe osk.exe

Reboot the server, launch the on screen keyboard and Powershell will open

Net user Administrator PASSWORD

Make sure you reverse the file changes after.

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