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I believe this link should answer your question nicely: <a href="https://www.sole.dk/how-to-place-fsmo-and-global-catalog-roles-in-active-directory/" rel="ugc">https://www.sole.dk/how-to-place-fsmo-and-global-catalog-roles-in-active-directory/</a>
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I believe this link should answer your question nicely: https://www.sole.dk/how-to-place-fsmo-and-global-catalog-roles-in-active-directory/ [https://www.sole.dk/how-to-place-fsmo-and-global-catalog-roles-in-active-directory/]

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Hello,<br />
<br />
I'd like to know the proper placement of my DNS and DHCP server. I have two domain controllers and spread out FSMO roles ensuring Infrastructure and PDC aren't on same DC. <br />
<br />
Thanks,<br />
<br />
nimdatx
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Hello,

I'd like to know the proper placement of my DNS and DHCP server. I have two domain controllers and spread out FSMO roles ensuring Infrastructure and PDC aren't on same DC. 

Thanks,

nimdatx

Proper placement of DHCP and DNS Server

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.

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).