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Active Ditrectory DNS issue

Posted on 2009-04-14
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Last Modified: 2013-12-05
Hi All,

We have two DCs in different location .Both the  Dcs are globalcatalog and there are placed in different site and different subnet. Here is the scenario, both DCS are connected by 700 - 800 desktop in each location.
In first DC dns is integrated with Active directory and second dc is also dns integrated where zone data is replicated from root dc.
In site A all the clients are pointed to root dc dns (192.168.1.100) .
In site B all the clients are pointed to ADC  dns     (192.168.2.100).
Here is the problem. From Site A client I am able to use nslookup to query dns.From site B client I am unable to query dns from nslookup . It said default server unknown..
I am able to see reverselookup zone from siteA(192.168.1.0)is replicated to Site B revese lookup zone.SO I am unable to create PTR record for ADC in siteB.
Because Site B subnet is different(192.168.2.0).
Appreciate  for your help.


Thanks all.

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Question by:shankarvetrivel
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Americom earned 1500 total points
ID: 24144487
Regarding to your reverse lookup zone, delete them and start from scratch. On siteA DC's DNS console, create the reverse lookup zone as 168.192.in-addr.apra and configure as Active Directory-integrated zone. On SiteB DC's DNS console, create the same exact reverse lookup zone as 168.192.in-addr.arpa and also configure as Active Directory-integrated zone. This way both DCs should have he identical reverse lookup zone.
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by:shankarvetrivel
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