As title says, I just demoted my domain controller on my Windows Server 2012. I followed this guide in doing so:

[How to demote a Domain Controller in Windows Server 2012 (AD DS) | blogs.interfacett.com](http://blogs.interfacett.com/how-to-demote-a-domain-controller-dc-in-windows-server-2012-active-directory-domain-services-ad-ds)

But upon reboot, I can't log in using Remote Desktop with my credentials. I've tried my old and new credentials and neither work. I've even plugged a keyboard and monitor into the server, and I can't log in with my old/new password there either.

I don't want to have to reset the whole server, is there any way I could find out what the password might have been set to?

I have tried to input a blank password also.