Converted from Domain to Workgroup and got locked out.

[David Campbell]

I have several local and domain users on a machine. I
switched it from a domain to its own workgroup. I now
find that I can't login to any of the accounts I used to
use.

What can I do to login?

 

[Lanwench [MVP - Exchange]]

You'll need the local admin credentials. You didn't need to change the
domain membership in order to access workgroup resources, you know....your
domain admin will now have to add the computer back to the domain (and
he/she will need to know the local admin credentials to do this, or find a
password cracker).