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DNS resolution Problem from hosts of one forest to another

Posted on 2011-02-17
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Last Modified: 2012-05-11

There are 2 AD configured separately in different forest. I need users authenticated using 1 AD to be able to resolve DNS through AD 2  which are containing separate entries. AD1 and AD2 are able to resolved there DNS but not there hosts.
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Question by:oppofwar
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9 Comments
 
LVL 39

Expert Comment

by:Krzysztof Pytko
ID: 34915079
what happens if you ping full hsot name?

ping hostname.domain.com

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probably your domains have no information in DNS suffix order. Create a GPO in each domain and define FQDN list for those domains.

In the first add

domain1.com (its domain)
domain2.com (remote domain)

in the second domain add

domain2.com (its domain)
domain1.com (remote domain)

Regards,
Krzysztof

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LVL 3

Author Comment

by:oppofwar
ID: 34915204
I have entred the DNS entry in Forwarders , AD server is able to resolve to one another  But the Domain members are not able to resolve it
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LVL 27

Expert Comment

by:KenMcF
ID: 34915209
iSiek, is correct. After reading your question agian it sounds like you are having problems with shortname resolution. Adding a domain suffix to your computers will fix this and using a GPO is the easiest way..
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LVL 3

Author Comment

by:oppofwar
ID: 34915219
Isiek they are not able to resolve using FQDN also
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LVL 27

Expert Comment

by:KenMcF
ID: 34915255
If they are not able to resolve FQDN then the conditional forwarders should have fixed that. Are you running 2003 or 2008 for your DNS servers? If 2003 you will need to add them on each server unless you add them to the application partition.
Is there a firewall between the servers?
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LVL 39

Expert Comment

by:Krzysztof Pytko
ID: 34915350
Check Ken's suggestion and additionally type in command-line

nslookup hostnameDomainA.fqdn
nslookup hostnameDomainB.fqdn

and check if DNS server resolved those names.

Krzysztof
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LVL 3

Accepted Solution

by:
oppofwar earned 0 total points
ID: 34925025
The problem has been resolved . There was a need for creation of stub zone.
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LVL 3

Author Closing Comment

by:oppofwar
ID: 34959000
On both  server DNS Stub zone was created for DNS resolution .
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