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Error 1789 The trust relationship between this workstation and the primary domain failed.

Posted on 2010-11-18
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Last Modified: 2012-05-10
I have a windows 7 pro workstation that won't let anyone with domain credentials log in.

We get Error 1789 "Error 1789 The trust relationship between this workstation and the primary domain failed."

The two solutions I have found online (installing a hotfix or remove/add to domain) will not work because the workstation is saying that the local admin account is disabled.  I need help coming up with a solution to get into this workstation and either install the hotfix or enable the local admin.

My two current thoughts are to try and remote access the registry and enable the local admin account (don't know if this is even possible yet) or remove the hard drive and try to apply the hotfix like you would an os install or something (don't know if this is possible either).  Lastly, I'm sick today and my mind is in a fog.  Someone help!
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Question by:willmarple
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Accepted Solution

by:
tmoore1962 earned 2000 total points
ID: 34164723
Google CD080802 you will find links to download a password recovery app.  CD080802 is a zip file and I can't post it here.  Extract the ISO from the zip and burn ISO to disk (you can use Deep Burn Free edition) Boot from the created CD on your system and follow on-screen prompts to enable / reset the local administrator account.  Remove the machine account from your domain controller, Boot the PC and log in with the local admin account and rejoin the domain.
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Author Comment

by:willmarple
ID: 34165614
Ok I think I'm 98% of the way there.  I was able to enable the administrator account and clear the password, but after that I press q to quit and then alt-ctrl-del to reboot to the hard disk.  The account is still locked out though.  When the software is initializing it says it copies the sam security db to a /tmp folder.  Is there something I'm not doing to save the updated sam db?
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Author Comment

by:willmarple
ID: 34165920
Ok I got it.  Used a helpful video tutorial to get the commands I needed.  

http://video.techrepublic.com.com/2422-14075_11-207247.html
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Author Closing Comment

by:willmarple
ID: 34165941
Amazing!!! I would give you  5 bazillion points if I could!  I've heard of this utility before but it didn't even cross my mind to look into it.  1000 blessing be upon you sir.
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