Sysdm.cpl (that’s a lowercase L) opens the System Properties screen from the command line. Press Windows Key + r to open the Run window then type. The problem is that when I try to make any change, it is asking for the domain admin user name and password and, even though I enter it correctly it. Here you can see it matches the account I want to remove so I can safely delete this key by right clicking the SID in the left pane and choosing Delete. I have the local admin password and the failed domain's admin password.

Using the Administrator account and adding the machine to the domain should put everything back in order because your user account it's validated on the Domain controller. I have a Windows 7 computer that I would like to remove from a domain that no longer exists (Domain controller is dead ). Login to the machine with local or domain administrator account. If your company have access to Microsoft DART it supports bitlocker, using the encryption key for the C: drive it should be very simple to change the Administrator password. Unjoin Windows PC Using Graphical User Interface. That is perfectly normal as your files belong to a different user. Looking at the popups describes how changing it might prevent the previous user from viewing which kind of concerns me. Difficulty: Easy Time required: Less than 5 minutes Heres how: 1. On the D: drive where I have my data however, when clicking it, it first has me put my home PCs administrator password, but then says I don't have access to this device, and must use the security tab. Follow the tutorial outlined below to turn off login password in Windows 7 (See turn off various Windows 7 password here). When viewing the hard drive as an external hard drive on my home PC, both C: and D: have a users directory as well as a directory for my username. I gave them the key identifier for both my C: and D: drive, and they gave me the recovery keys for each.

To backup the data, I need access to the hard drive which was encrypted using bitlocker. Ha ha, your funny! No, I will NEVER forget. Use this as a lesson learned and don't join a work computer to your personal workgroup in the future.

Remove pc from domain windows 7