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i am new to DNS and i have an internal dns server that is running on our domain controller win2k3. <br />
- Is there a way to isolate that dns server to an entirely new machine with win2k3 server installed? <br />
- Since our ISP has two dns servers is there a need to have an additional perimeter dns server?
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i am new to DNS and i have an internal dns server that is running on our domain controller win2k3. 
- Is there a way to isolate that dns server to an entirely new machine with win2k3 server installed? 
- Since our ISP has two dns servers is there a need to have an additional perimeter dns server?

DNS migration

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).

Windows Server 2003

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

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.