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Windows 7 Thread, Unable to authenticate on domain in Technical; Hello, I have a problem with a user account (not mine) on a domain computer. We have set up a ...
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    Question Unable to authenticate on domain

    Hello, I have a problem with a user account (not mine) on a domain computer.
    We have set up a computer and account like all others (no differences except like really obvious ones, personal details), but user cannot login, it just says that details incorrect, he can login everywhere else, but not on his workstation, I can login, and his colleagues can as well, in the active directory, he doesnt have any limitations set to what computers he can logon to.
    Any suggestions ?

    Also, not sure why this website shows my location as United Kingdom

    Regards,
    David Mason
    Last edited by MasonX; 30th June 2014 at 04:29 PM.

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    Hi David,

    The most obvious one: check the username and password are correct and that you / user are typing them correctly.

    You could try resetting the users password just to make sure you are getting it correct. Find the user in AD, right click, reset password. Maybe just try something simple like 123456. Also ensure you have the username correct which you can also see in AD.

    Also make sure when your entering a username / password that you don't have any gaps at the start/end.

    If all else fails, might be worth checking the keyboard on that computer.

    If other domain users can login, it cant really be a PC problem. If the user has logged in before, login as local admin, go to regedit, and find there local acc if they have one and delete it.
    Last edited by cooka; 1st July 2014 at 09:00 AM.

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    MordyT's Avatar
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    IF the end user ever logged on to pc1 and then changed his password on pc2 and then this pc1 was offline, windows would be using the cached old password and give this error.

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    Male sure it isn't defaulting to the local machine. try domain\username in the username box.

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    Quote Originally Posted by MordyT View Post
    IF the end user ever logged on to pc1 and then changed his password on pc2 and then this pc1 was offline, windows would be using the cached old password and give this error.
    In which case - make sure the PC is connected to the domain / network and if not, when you do have it connected, make sure you do a gpupdate /f to ensure the polices update.

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    Keyboard is fine, and there is no old password for the user, because I created an account for him, and tried on his machine, so thats not the case.
    It's an unused machine we're dealing with, so it cant be something with registry.
    ADDS is good as well, I changed password to "Password1" still doesnt work. And computer is on the domain, because I can use my account to login, and it says "Log on to: OCSNETWORK" so I dont have a fairest idea what to do. It's not a massive problem, because we're now focusing on providing support to offices in GA and WA.
    Thanks for help, if there's anything else you could suggest, please do so.
    Last edited by MasonX; 1st July 2014 at 05:05 PM.

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    If all else fails - create a new acc for him?

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    Can you login to that PC and do a ipconfig /all. Post results here if possible. Also a nslookup to the IP of the DC, and one to the IP of the gateway. Finally, a ping of each as well.

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