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Windows 7: Joining an NT domain


09 Oct 2009   #1

W7 / XP
 
 
Joining an NT domain

I've installed Windows 7 Enterprise Full and am trying to join an old NT4 domain. Keep getting the error:

"Your computer couldn't not be joined to the domain because the following error has occurred: the specified domain either does not exist or could not be contacted"

Now a quick Google reveals several threads about this, some which are resolved, some which aren't.

Found this: Just to mention that the issue has been solved... secpol.msc ---> Microsoft network client: Send unencrypted password to connect to third-party SMB servers set to enabled and voila

But it hasn't worked for me. Is there a definitive answer? Worked fine for Vista...

Thanks in advance,
Ed Ludlow

My System SpecsSystem Spec
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09 Oct 2009   #2

Win7x64
 
 

It may not be possible, or if it is possible you'd have to deactivate so much security on the win 7 box that it may as well be Win3.11.

Are any of the DCs on the same segment? Pre-AD BDCs advertise their presence by registering themselves in the 0x1C group in WINS, in addition to the unique 0x1B registration for the PDC. If your Windows 7 box is not within broadcast range, you'd need either WINS (*shudder*) or an LMHOSTS file.

A packet trace is the best way to troubleshoot network interop issues (www.wireshark.com). If you generate a trace of the failed domain join attempt, zip it up, and upload it here, someone may be able to spot the problem.
My System SpecsSystem Spec
09 Oct 2009   #3

W7 / XP
 
 

OK thanks. It's actually not the end of the world at all. In fact it may even a blessing in disguise as I can convince colleague he really should ditch his NT box!

Thanks,
Ed
My System SpecsSystem Spec
.


16 Nov 2009   #4

windows 7
 
 

I am getting the same error trying to connect my Windows 7 PRO laptop to our NT4 domain. "Your computer could not be joined to the domain because the following error has occurred: the specified domain either does not exist or could not be contacted" - the laptop is plugged into the network and has an IP on our network, I can ping other servers and PCs on our network from the Windows 7 laptop but I can not ping the laptop from other PCs on our network. I tried to find the settings to allow incoming echo requests and was unable to locate where I could change this. Please help.
My System SpecsSystem Spec
16 Nov 2009   #5

Windows 7 Ultimate 64bit
 
 

The reason for this error is usually a DNS issue. I would assume that DNS is being handled by your PDC (domain controller) or perhaps a backup domain controller for your local domain. Please make sure that your DNS on the Windows 7 computer reflects the IP address of the local DNS server and let me know if this helps.
It doesn't look good from Microsoft's perspective see this link http://technet.microsoft.com/en-us/l...8WS.10%29.aspx
Although not supported doesn't necessarily mean impossible...Vista wasn't supported either and it would still work.
My System SpecsSystem Spec
16 Nov 2009   #6

windows 7
 
 

Yes, the IP is one from the local network that I am trying to connect to. I was afraid of the compatibility issue, we went through this with the few Vista PCs we have, but were able to work around most of the issues there. I can downgrade to XP for now. We plan to goto AD in the near future so hopefully we can upgrade after that with no problems. If you find a work around though, I would love to know what it is. Thanks again.
My System SpecsSystem Spec
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 Joining an NT domain




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