.\administrator doesn't let you login?

On Tue, Jul 18, 2017 at 4:52 PM Kurt Buff <[email protected]> wrote:

> All,
>
> A colleague stood up a Win10 VM that was a clone of an original
> domain-joined machine, running on a ESXi/vSphere 6.0 host.
>
> I noticed this, and decided to help out - the VM clone was not fully
> functional - it's trust relationship with the domain was broken.
>
> I was able to log in using cached credentials with administrative
> privileges, so I set the local administrator password to something we
> know (we use LAPS here, so there's no telling what the most recent
> administrator password was).
>
> I then changed the machine name and joined the VM to a workgroup at
> the same time - something I've done probably hundreds of times over
> the years with never a failure before now.
>
> After reboot, the login screen shows only the username of the last
> successful login (a domain account, not a local account, even though
> it's not a member of the domain!).
>
> I cannot get it to switch to another account to log in, and since the
> only account available on the login screen is the domain account, and
> it's not joined to the domain, I can't use that account's password to
> log in.
>
> There are no backups, no restore points and no snapshots for this VM.
>
> I was able to boot into safe mode in the console, and start a command
> prompt - when it asked for the local Administrator account, that
> worked, so I know the password is good.
>
> I've tried to RDP into the machine, and am refused, no matter which
> credentials I try.
>
> I even tried disconnecting the NIC for the VM to see if that would
> shake loose some cached credentials, but no go, and it stubbornly
> refuses to show me any other accounts to choose for login.
>
> I suppose I could do a reset, but I believe there's 3rd party software
> that was installed in the interim, so I'm a bit hesitant to do that.
>
> Anyone have thoughts on how to proceed?
>
> I'm about ready to boot with a Nordahl iso, and see if that helps, but
> if push comes to shove, I I'll re-clone the original, and try again,
> and let the colleague know that he's lost any work done, but for the
> moment this is an exercise in overcoming - something.
>
> Kurt
>
>
>

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