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Microsoft Window Domain Architecture

Hi,
We have a primray domin in our HO (abc.com) and recently we configure a sub domain in different location (512 k leased line availabel between the location) (omc.abc.com) and the remote locations users are joined to the remote domain. the remote users pc configured with primary dns as their domain controler and secondary domain as HO primay domain; both site we have different internet service provider and the issue is in remote location the internet is not working properly.
from users pc if i remove secondary domian (HO DC) then they are able access the internet with out any problem, but each time when the user trying to access the email it is asking for the password.

please help.
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sahil-sabir
Asked:
sahil-sabir
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3 Solutions
 
farazhkhanCommented:
Hi,

Make sure that at both DNS servers(HQ and LocalOffice) you have forwarders configured as an ISP DNS server for external names to be resolved.

http://articles.techrepublic.com.com/5100-10878_11-5112303.html

Regards,
Faraz H. Khan
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sahil-sabirAuthor Commented:
Already set up with relevant locations isp dns address in forwarders and in the remote location's internet connection is fine alll the sites are opening except our own website. when we try to open our web site from the remote location we are getting error "sorry this site is temporarily not available; please check back later" but the site is working from anywhere outside and from HQ.
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farazhkhanCommented:
Hi,

What happens if you try to PING your site www.yoursite.com from remote location? and if you are getting replies from the site then what is the average TTL value with each reply.

Regards,
Faraz H. Khan
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sahil-sabirAuthor Commented:
We will not be ablet to ping as ping is blocked by the FW but I am able to do nslookup and the site is getting resolved with its public IP. There is no issue with the connecitivity as i mentioned on my first note, if i remove the secondary dns address which is HO domain controller address from the remote users PC, the site is working perfectly.
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sahil-sabirAuthor Commented:
Sorry for wrong information as If I remove our DNS addresses (primay and sub) and configure the ISP DNS address it is working fine.
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Suliman Abu KharroubIT Consultant Commented:
configure forwards in your remote office DNS server to forward to ISP dns. and conditional forwarder for a parent domain.
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sahil-sabirAuthor Commented:
How can configure conditional forwarder; can you provide me any link.
Many thanks
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farazhkhanCommented:
Hi,

This is the best check under "How to Configure Conditional Forwarding"
http://www.windowsnetworking.com/articles_tutorials/DNS_Conditional_Forwarding_in_Windows_Server_2003.html

Regards,
Faraz H. Khan
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