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Windows Thread, Cannot open the 'AD Users and Computers' Administrative Tool in Technical; Hi all Had the message shown in the attachment - since the other day - appear when trying to open ...
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    tarquel's Avatar
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    Cannot open the 'AD Users and Computers' Administrative Tool

    Hi all

    Had the message shown in the attachment - since the other day - appear when trying to open Active Directory Users and Computers from ANY machine [including the server(s)].

    I've restarted the DC in a hope that this will fix it - but it hasnt

    I havent changed any group policy settings for a while - especially ones that would stop me running the AD Users and computers.

    I can still open the Group Policy Management tool however.

    Any ideas?? This isnt helping my RIS setting up hehe

    Cheers
    Nath
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    Re: Cannot open the 'AD Users and Computers' Administrative

    Have you installed MMC 3 on any machine and then opened that snap-in?
    I know I've had trouble when its updated a snapin to MMC3 and then I've opened the same one on the original MMC2 you get with XP & 2000 Server.

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    Re: Cannot open the 'AD Users and Computers' Administrative

    Try running adminpak.msi from your Windows 2000
    server CD.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    I have used the same version of the adminpak.msi throughout [not sure the exact ver number but its SP1 - i.e. for compatibility with Server 2003 SP1

    Dont use Server 2000 here [except the Bromcom server - on a different domain entirely].

    I havent intentionally installed MMC 3 anywhere that I know of - I've only installed the adminpak [for 2003 sp1/XP SP2] and the GPMC SP1 previously.

    I could try reinstalling it on the server I guess.

    Maybe a recent hotfix has "broke" it hehe I wonder if there is a newer version of the adminpak on the MS website - shall have a look.

    Bit of a tricky one.

    Cheers
    Nath

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    Re: Cannot open the 'AD Users and Computers' Administrative

    I had the same thing happen with my Group Policy management snapin as well I just had to reinstall it.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    Might be a long shot, and not even entirely sure its in any way relative to the problem, but you could try editing the registry at ...

    HKcurrentuser\software\policies\microsoft\mmc

    and changing the restricttopermittedsnapins value from 1 to 0

    As I say, might not be the same thing, but I had a similar problem with my group policy snapin once and this solved it.

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    Re: Cannot open the 'AD Users and Computers' Administrative

    Quote Originally Posted by ChrisH
    I had the same thing happen with my Group Policy management snapin as well I just had to reinstall it.
    Do you mean the adminpak which is what you uninstalled and reinstalled?

    If not, how do i do that?

    HKcurrentuser\software\policies\microsoft\mmc
    The server doesnt appear to have that registry key there - shoulf I create it and create the restricttopermittedsnapins at value 0?

    Regards
    Nath

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    Re: Cannot open the 'AD Users and Computers' Administrative

    bump ^^

    Chris - what dud you mean?

    How did you reinstall the snap-in?

    Did you get the error message throughout the system?

    I get it on every computer - both server and desktop - meaning that I cant make any changes to the AD User & computers structure.

    This is getting to be a problem as I cant setup the new laptops that will be arriving soon and they are already tamping because I was off work for so long

    Any thoughts?

    Nath

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    Re: Cannot open the 'AD Users and Computers' Administrative

    I reinstalled the GPMC. I would have thought reinstalling the adminpak would have fixed yours...

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    ...even tho it happens on both the workstations and the server[s]?

    Nath.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    Log off and back on again? Clear %temp%?

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    lol sarcasm?

    look at the begining of the thread's date ...and the fact that it happens on every machine I try it on.

    /sarcastic response over

    But seriously.... I wish it was that simple.

    *cries*

    ....Nath.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    Every machine that you log onto? Does it do the same with different users? Might be worth removing your profile if it doesn't. Its a PITA but should sort it.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    Are you logging in with your account or the domain admin account, try the domain admin account first and see if that works.

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    Re: Cannot open the 'AD Users and Computers' Administrative Tool

    hehe I await a flood of flaming but....

    It on the administrator account. There are no other administrator accounts.

    I had a thought that it could be to do with the administrator profile so here's my two ideas:

    1) create a new account - called admin or something - and add it to the administrators group and use that and see if it works...

    or

    2) clear the profile directory of the administrator account and see what destruction is caused

    Any suggestions on what to try first?

    Has anyone ever tried number 2 and has it caused them any problems?

    Regards
    Nath.

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