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To further clarify clonyxlro's correct Answer, DNS servers, especially AD integrated ones, should always point to themselves as the primary DNS server. &nbsp;You can have secondary, tertiary, etc., DNS servers, too, but they always need to be internal, AD aware addresses. &nbsp;What you DON'T want to do is point to an ISP or any external DNS server in the NIC properties.<br />
<br />
DrUltima
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To further clarify clonyxlro's correct Answer, DNS servers, especially AD integrated ones, should always point to themselves as the primary DNS server.  You can have secondary, tertiary, etc., DNS servers, too, but they always need to be internal, AD aware addresses.  What you DON'T want to do is point to an ISP or any external DNS server in the NIC properties.

DrUltima

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So it should look like this?<br />
<br />
Server A (Primary DNS Server)<br />
IP Address 192.168.0.3<br />
Preferred DNS Server 192.168.0.3<br />
<br />
Server B (Secondary DNS Server)<br />
IP Address 192.168.0.8<br />
Preferred DNS Server 192.168.0.8, 192.168.0.3 or<br />
Preferred DNS Server 192.168.0.3, 192.168.0.8
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So it should look like this?

Server A (Primary DNS Server)
IP Address 192.168.0.3
Preferred DNS Server 192.168.0.3

Server B (Secondary DNS Server)
IP Address 192.168.0.8
Preferred DNS Server 192.168.0.8, 192.168.0.3 or
Preferred DNS Server 192.168.0.3, 192.168.0.8

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<div class="content wysiwyg-content">
When you configure a DNS server on a DC, do you reference it in the preferred DNS server in TCP/IP properties?<br />
<br />
Server A (Primary DNS Server)<br />
IP Address 192.168.0.3<br />
<br />
Server B (Secondary DNS Server)<br />
IP Address 192.168.0.8<br />
<br />
On Server A, do I add under preferred server in TCP/IP,<br />
192.168.0.3 or 192.168.0.8? &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
</div>
</div>


When you configure a DNS server on a DC, do you reference it in the preferred DNS server in TCP/IP properties?

Server A (Primary DNS Server)
IP Address 192.168.0.3

Server B (Secondary DNS Server)
IP Address 192.168.0.8

On Server A, do I add under preferred server in TCP/IP,
192.168.0.3 or 192.168.0.8?          

DNS server configuration

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).