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Microsoft 365 Changelog

M365 Changelog: Cross-tenant synchronization (preview)

Rabia Noureen


MC499440 – Cross-tenant synchronization lets you automate creating user accounts across tenants in your organization. Users created by the synchronization process continue to authenticate in the same way they do on their primary tenant and each application can assign conditional access policies as appropriate. So now, users across your organization can access applications regardless of the tenant where they are hosted, including Microsoft applications like Teams and SharePoint, as well as non-Microsoft applications like ServiceNowAdobe, and hundreds more SaaS apps.

Behind the scenes and transparent to the user, the sync process leverages the robust Azure AD B2B functionality and is fully integrated with Azure AD’s security and governance capabilities such as conditional access, cross-tenant access settings, and entitlement management.  

This message is associated with Microsoft 365 Roadmap ID 109568

When this will happen:

Preview: Microsoft will begin rolling out mid-January 2023 and expect to complete by early-February 2023.

How this will affect your organization:

This feature enables multi-tenant organizations to automate creating, updating, and deleting B2B users across tenants within an organization.

What you need to do to prepare:

Once the feature is in public preview, you will be able to choose when to enable cross-tenant synchronization. Prior to the public release, you can begin conversation internally to understand which users need access to which tenants within your organization and understand what attributes you would like to synchronize across tenants. 

Additional information

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