<div>
<div class="content wysiwyg-content">
do domain controllers from different domains replicate information (i.e. forest dns zones, global catalog information) with each other?<br />
To be specific, does Domain Controller A from Domain A in Site A replication information with Domain Controller B from Domain B in Site B?
</div>
</div>


do domain controllers from different domains replicate information (i.e. forest dns zones, global catalog information) with each other?
To be specific, does Domain Controller A from Domain A in Site A replication information with Domain Controller B from Domain B in Site B?

AD site replication

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.