XP pro Cannot login with cached user

Posted on 2012-08-31
Last Modified: 2012-09-06
I have XP laptop. I can no longer logon with cached username /password. This laptop is from an old office network, it has run for months at using cached username. It was never updated to new network settings.
Now cached user doesn't work, giving error about domain no longer available or incorrect username /password. There are two options, logon to this computer & logon to domain but both fail.
I'm stuck and cannot logon anymore. I've tried safe mode & recovery point but doesn't work.
1) how can I login
2) how can I get files back if can not login ?
Thanks in advance
Question by:rwallacej
    LVL 3

    Expert Comment

    Early XP machines used to be allow the log in as the local administrator through safe mode without a password. I do not think this applied to professional versions however. I will need to look this up. Also if the local admin account is disabled this would stop this working.

    If you do not know the local admin account details you may not be able to log in unless you find someone who can do some kind of brute force which may or may not work.

    You can get the files back if you remove the hard drive from the laptop and put in an external USB laptop drive caddy and connect to another machine to pull the files off.

    Author Comment

    Thanks for help. My problem isn't I don't know password, I know it from logging in many times

    I will get a 2.5" hard drive caddy to read files
    LVL 38

    Expert Comment

    It's a reg hack to allow cached logons. It can be controlled by group policy to not allow cached credentials. But, if the user takes it with them, they can't logon to the puter.

    Author Comment

    Regarding registry, no one could have changed my registry,? No one has used pc & it hasn't been onto network for months r
    LVL 38

    Expert Comment

    Nevertheless, it controls how many cached credentials you can use. It doesn't hurt to check the reg key.

    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\Current Version\Winlogon\

       ValueName: CachedLogonsCount
       Data Type: REG_SZ
       Values: 0 - 50

    0- means no one can logon with cached credentials.

    Author Comment

    Ok thanks, this leads to another can I check key given I can't login ? I have external caddy now so have removed hard drive
    LVL 38

    Accepted Solution

    You see to be under the false impression that a domain username/password is the same as a local login username/password.

    You don't need to be on the domain, Nor do you need it cached to logon locally. The local username/password is set when you originally configured the computer.

    Here's the deal. If your last logon wasn't the cached logon, it's probably your domain administrator's logon. So, the last cached value is the domain admin. This is why your cached entry might not work.

    If the domain is not available to plug in, then you need to logon locally. However, some domain admins will not allow you to do this as well.

    Ask your domain admin if they have a local username/password to logon. Otherwise you can't logon to the computer until you get back and physically plug into the wired LAN that supports the domain.

    With that said, you can still get your files. You would need a USB drive sled and a second computer. You take the drive out of the computer you can't logon to, put it in a USB storage sled, and logon to the other computer. Once on the other computer, plug in the USB drive with your files and extract them to the logged on computer. BUT, you will need ADMIN priveleges to do so.

    Bottom line:
    1) =Logon Locally,
    then you can try to VPN in and make that your last logon credentials
    2) -Or if you are an admin you might be able to pull the files using a drive sled and second computer.
    3) Ask the domain admin for assistance

    Author Comment

    I've been able to connect to network, there was line left after now ok.

    Author Closing Comment

    Thanks for help, the administrator gave me a line to connect to

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