Thanks for the immediate reply. The machine2 is identical machine with same hardware configuration.
Dkk When you built the other DC did you assign the same Administrator password to this new DC as the old one?
I am not familiar with the tool MarvinSterling has posted here. You can always give it a test run to see what you gain from it.
Likewise here is an Article that you should read and cross reference with what you’ve already tried. Restoring a Domain Controller Through Reinstallation and Subsequent Restore from Backup