Federation guides
An authentication model where a trusted external identity provider authenticates users instead of the local directory. See the glossary entry →
11 guides touch on federation.
- Cross-tenant calendar sharing
How to share calendar free/busy between Microsoft 365 tenants — organisation relationships and modern alternatives.
- Entra Connect vs Entra Cloud Sync
The two ways to sync on-prem Active Directory to Entra ID — what each does, the scenarios that still force the old tool, and which to use today.
- Entra ID vs Ping Identity
Entra ID vs Ping Identity (PingOne, PingFederate, ForgeRock): federation depth, hybrid deployment, and CIAM against Entra's bundled workforce identity.
- Entra ID Workload Identities
Workload Identities is Entra ID's product for managing non-human identities — apps, services, scripts — and the risks they create.
- External access and guest access in Microsoft Teams
The four ways outsiders can collaborate with you in Teams — and the trade-offs between guest, external access, shared channels, and anonymous join.
- External collaboration in Microsoft 365, explained
B2B guests, Teams external access, shared channels, SharePoint links, cross-tenant sync: what each layer does, how they stack, and which to use when.
- Hybrid identity strategy for Microsoft 365
How to plan the hybrid-identity journey from on-premises AD to Entra ID-only — staged, with the right choices at each stage.
- Microsoft 365 domains and DNS setup
The DNS records every Microsoft 365 tenant needs — and what each one does.
- Microsoft Entra ID Recommendations
The Entra ID Recommendations dashboard surfaces tenant-specific improvement actions based on Microsoft's analysis.
- Purview Information Barriers
Information Barriers prevent specific groups of users from communicating or collaborating — for regulatory, ethical, or legal reasons.
- Teams external collaboration patterns
Picking the right external-collaboration pattern in Microsoft Teams — guests, shared channels, federation, anonymous join.