AD Forest and Domain Hierarchy - ext.local and
About This Architecture
Multi-forest Active Directory hierarchy spanning ext.local and grange.local forests with redundant domain controllers across HQ, Branch-A, and Branch-B sites, synchronized to Azure AD via Azure AD Connect. Each forest maintains a root domain and child domains (agent.ext.local, agentmdl.ext.local, gmcc.grange.local) with paired domain controllers ensuring high availability and disaster recovery. Forest Trust (External) enables cross-forest authentication and resource sharing while Azure AD Connect Sync Service bridges on-premises identity to cloud tenants. This architecture demonstrates enterprise-grade hybrid identity management with site-aware replication, multi-tier domain structure, and cloud synchronization for organizations requiring federated access control. Fork this diagram to customize domain names, add additional sites, or adjust replication topology for your hybrid deployment. Consider adding Azure AD Conditional Access policies and MFA enforcement at the Azure AD Tenant layer for zero-trust security posture.
People also ask
How do I design a multi-forest Active Directory environment synchronized with Azure AD for hybrid cloud identity management?
This diagram shows a two-forest architecture (ext.local and grange.local) with redundant domain controllers at HQ and branch sites, child domains for organizational separation, and Azure AD Connect Sync Service bridging both forests to Azure AD tenants. Forest Trust (External) enables cross-forest authentication while site-aware replication ensures efficient directory synchronization across geogra
- Domain:
- Cloud Azure
- Audience:
- Azure identity architects and hybrid cloud administrators managing multi-forest Active Directory environments
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