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Backup DNS Server for Branch Office?

Posted on 2006-11-02
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Last Modified: 2010-04-18
We're planning on adding a new 2003 DC and member server to one of our branch offices.  I have Active Directory Integrated DNS setup on the DC, and was wanting to setup a backup DNS server on the member server for redundancy.  I do not want to make the member server a DC.  I've never had to set this up yet and was wondering if someone can give me some good advice.  For 40 users do you think it's worth setting up redundant DNS?  I realize I could point the clients to a DNS server over our VPN(as a secondary).  Would that be recommended?

Any advice would really be appreciated.

Thanks!
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Question by:lauren_it
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CharliePete00 earned 500 total points
ID: 17860123
The other DCs in your domain can handle DNS and will work just fine as alternate DNS servers.  Just make the local (remote) DC the primary and one of the DCs at the central site the seconday in the TCP/IP setting of the clients (workstation).  Besides, if DNS ends up broken on your DCs AD will be broken also and while your users may continue to be able to logon to their PCs under cached settings for a short time they would have no access to Domain resources (they might be able to reach the Internet though).  Id skip making one of the member servers a DNS server.

You may wish to make the DC at the remote site a GC (Global Catalogue Server) though.  It will help reduce traffic between remote and central sites.  You may also want to investigate using AD sites traffic.  See the following links for more info:

http://www.petri.co.il/configure_a_new_global_catalog.htm

http://www.microsoft.com/technet/prodtechnol/windows2000serv/technologies/activedirectory/maintain/opsguide/part1/adogd06.mspx

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by:lauren_it
ID: 17860557
That's what I thought, thanks.  Already planned on making it a global catalog, and already have the site planned out(we have other sites already).

Thanks for the advice!!
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by:CharliePete00
ID: 17861048
As always, Good Luck and Enjoy
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