change domain to workgroup

[NeoSadist]

My pc was configured with a business network, I recalled the pc name and I
modified it for a personnal use (workgroup), when I restarted my pc I
don't
known what user name I can't use, because the last one and its pasword
didn't work. I can't log on my pc, help me please.

Thanks

In a domain, authentication of users is done by domain controllers. The
user accounts aren't technically part of the authentication on the local
machine. In a workgroup, it's the opposite: the host machine does its own
authentication and the info is stored only on the host machine. When you
switched from domain to workgroup, it probably dumped all domain info.
There is an option for the machine to cache the last 10 logins locally,
which is usually enabled, but it might've dumped them when you told it to
switch. If it had not dumped the users, obviously you wouldn't've had
problems.

I suggest rebooting the machine in Safe Mode, logging in as Administrator,
and creating some accounts. If you're looking for all the files you had on
the machine, they may or may not be in "C:\Documents and Settings", so try
not to use the same user name as any of those domain user names so that if
they happen to still exist, Windows doesn't possibly dump those too
(assuming they do exist, which you can check for when you log in as
Administrator).

 

[Guest]

My pc was configured with a business network, I recalled the pc name and I
modified it for a personnal use (workgroup), when I restarted my pc I don't
known what user name I can't use, because the last one and its pasword
didn't work. I can't log on my pc, help me please.

Thanks

 

[Bruce Chambers]

My pc was configured with a business network, I recalled the pc name
and I modified it for a personnal use (workgroup), when I restarted
my pc I don't known what user name I can't use, because the last
one
and its pasword didn't work. I can't log on my pc, help me please.

Thanks

By changing the computer from the domain to a workgroup, you have
destroyed the trust between the domain and the machine. In doing so,
you have also rendered any domain login credentials as invalid.
You'll need to create a new local user account for your use.

1) Restart the computer and log in using the built-in Administrator
account.

2) Click Start > Run and enter "control userpasswords2" followed by
clicking "OK."

3) Click "Add....", creating a new username and filling in the
desired information, and then click "Next >"

4) Set the password as desired and click "Next >"

5) Select the desired privilege access level for the new user account
and click "Finish."

Please see the following Knowledge Base article for an alternate
method and more information:

HOW TO Create and Configure User Accounts in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;279783

6) Once the new account has been created, follow the instructions in
the following Knowledge Base article to copy data from your old domain
user account's profile to the new one:

How to Copy User Data to a New User Profile
http://support.microsoft.com/default.aspx?scid=kb;en-us;811151

--

Bruce Chambers

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