blended NT4.0/AD over WAN

April 26, 2011 at 07:12:45
Specs: Windows XP
OK. I have an old NT4.0 domain, and a new AD domain. My company want to migrate the PC's to the AD first, then the servers. So I setup a trust between the 2. It works perfectly at the corporate office. At the branch sites, I do not have a DC for the AD. When I try to add permission to files on the existing NT file servers, the remote servers cannot find a DC to use. I was hoping that it could utilize our MPLS WAN to use the DC at the corporate location until the servers are cut over. Things I have tried:

adding an LMHOSTS entry for the AD domain onto the remote NT file server
made sure the location and subnet was added to the AD
Point the DNS of the NT server to the AD DC


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#1
April 26, 2011 at 09:05:26
You would use hosts not lmhosts for that domain entry.

Are all of the remote sites pointing to the AD dns server for dns?

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#2
April 26, 2011 at 12:40:31
DNS: yes they point at the AD DNS server

Do you define a domian controller in the HOSTS file the same way you do in an LMHOSTS file? /DOM, etc


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#3
April 26, 2011 at 13:26:12
No not the same. Lmhosts file is for netbios resolution.
Hosts file is for ip resolution.
Format is;
ip address domain name
ip address machine name

Do you have host records in dns for the nt4 servers?

for example at the home office do a
nslookup AD server name
nslookup NT server name
then from the remote location do the same.

how to the nslookup results differ?

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#4
May 9, 2011 at 06:29:01
When I am on the remote NT server, I am able to do an nslookup successfully to the AD DC. I guess I do not understand your question.

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#5
May 9, 2011 at 08:56:10
"Do you have host records in dns for the nt4 servers?"

from the main site do a nslookup nt4 server name
from the remote site do nslookup nt4 server name

we are trying to figure out why the remotes sites don't see the nt server via the AD trust.

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