Domain controller error

We have a computer that all of a sudden we are unable to login. We get a Windows Security Message and it says 'A domain controller could not be found for the specified domain.' What woudl cause this to happen. I can't even get it using the administrator log in. Any help/ideas would be great.  
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lupelealAsked:
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lupelealConnect With a Mentor Author Commented:
We are in! Going into safe mode, what we did is in the registry changed the value of the NWGina.dll to msgina.dll. After a reboot we were able to get in. This is under HKLM\software\microsoft\windows nt\current version\winlogon
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dmf415Commented:
Make sure you are using the dns server for your domain on this workstation.
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lvanalstyneCommented:
It sounds like there is a network connectivity issue. Can you see uplink lights on NIC? Can you log in with a local account?
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lupelealAuthor Commented:
Its being used
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dmf415Commented:
try to ping the domain controller and the dns server.
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rstahl08Commented:
Check the date/time. Make sure they are correct.  If the date/time is off from the DC you can get that.  
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lupelealAuthor Commented:
I cant login in with a local account. This is a public computer in a lab. I tried loggin in to the workstation only under administrator but get the same thing
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lvanalstyneCommented:
What about logging in as computername/administrator?
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lupelealAuthor Commented:
The computer was working fine. We started working on it because we noticed it was running on SP1. We tried updating it but it would not. Here is that question http://rdsrc.us/JroldA The only changes I made was in the BIOS. I went in there to change the boot order. Wanted to boot from cd/dvd first because I was going to image the comp so I can take that image, place it on a spare comp i have in my office so I could work on it without having to be stuck in the lab.
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BudDurlandCommented:
Generally, this error is caused by one of three things; 1) domain is misspelled.  2) the PC is not configured with the Domain Controller as it's primary DNS server 3) a comms problem prevents communication with the DC.
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deroodeSystems AdministratorCommented:
Is the workstation actually connected to a windows domain?
Since the Gina is the Novell NWGina you the login to eDirectory should come first. Does the login to eDirectory succeed?
When clicking the Advanced button you should get (among others) a Windows tab. Is the correct windows domain filled in there? Or could you select the local workstation?
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lupelealAuthor Commented:
none
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