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Microsoft Entra Blog
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Collaborate across M365 tenants with Entra ID multi-tenant organization

Joseph Dadzie's avatar
Joseph Dadzie
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Apr 25, 2024
Hi everyone,    I’m excited to announce the general availability of Microsoft Entra ID multi-tenant organization platform capabilities!    As your organization evolves, you may need to integr...
Updated Apr 24, 2024
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Joined July 06, 2017
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Microsoft Entra Blog
Stay informed on how to secure access for workforce, customer, and workload identities, from anywhere, to multicloud and on-premises resources, with comprehensive identity and network access solutions.
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Jogeli
Copper Contributor
Apr 29, 2024

I'm interested in a solution for Exchange Online with two tenants each running their own dedicated Exchange instance. Each tenant runs an on-prem AD connected to its Entra ID instance.

The requirement is to provide a contact list in Outlook covering ALL contacts from both tenants and make them available on both sides.

Question: Are the contact lists updated automatically if I implement a cross-tenant sync ?