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I have Site A and Site B in Domain A. &nbsp;Domain Controllers only exist in Site A. &nbsp;File Servers exist in Site B. &nbsp;If the link between Site A and Site B goes down, can users in Site B no longer access the File servers in Site B since no DCs are available? &nbsp;Or will cached credentials suffice?
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I have Site A and Site B in Domain A.  Domain Controllers only exist in Site A.  File Servers exist in Site B.  If the link between Site A and Site B goes down, can users in Site B no longer access the File servers in Site B since no DCs are available?  Or will cached credentials suffice?

Active directory site connectivity

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.