<div>
<div class="content wysiwyg-content">
I have a parent domain with 2 child domains. Do I need to have the child domain setup as a Gloabl Catalog or can I just have the GC held on the parent DC?
</div>
</div>


I have a parent domain with 2 child domains. Do I need to have the child domain setup as a Gloabl Catalog or can I just have the GC held on the parent DC?

Do I need a GC on a child domain?

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.