check before: 2026-01-01
Product:
Entra
Platform:
Online, US Instances, Web, World tenant
Status:
Rolling out
Change type:
Admin impact, New feature, Updated message, User impact
Links:
Details:
Summary:
Microsoft Entra introduces cross-tenant security group synchronization to simplify collaboration and centralize group management across tenants. Public preview starts late January 2026; general availability by end of May 2026. Admins can enable sync by updating attribute mappings and access policies. No compliance issues identified.
Details:
Updated April 22, 2026: We have updated the timeline. Thank you for your patience.
We're introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management. It also streamlines administration of multiple tenants by centralizing group membership control, reducing duplication and manual overhead. The new group sync functionality will be part of the Microsoft Entra ID Governance / Microsoft Entra Suite license.
This message is associated with Microsoft 365 Roadmap ID 518221.
When this will happen
Public Preview: Rollout begins in late January 2026 and completes by late January 2026.
General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in late April 2026 and completes by end of May 2026 (previously late April).
Change Category:
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Scope:
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Release Phase:
General Availability, Preview
Created:
2025-12-18
updated:
2026-04-23
Public Preview Start Date
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Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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linked item details
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summary for non-techies**
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Direct effects for Operations**
Cross-tenant group synchronization
If the change is implemented without proper preparation, it may lead to misconfigured group memberships, resulting in unauthorized access to sensitive resources across tenants.
- roles: Admins, Security Officers
- references: https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=518221
Centralized group management
Lack of preparation may cause confusion among users regarding their access rights, leading to potential disruptions in collaboration and productivity.
- roles: End Users, Team Leaders
- references: https://learn.microsoft.com/entra/id-governance/licensing-fundamentals#types-of-licenses, https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization
Configutation Options**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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change history
| Date | Property | old | new |
| 2026-04-23 | MC Last Updated | 01/07/2026 23:52:18 | 2026-04-22T23:27:56Z |
| 2026-04-23 | MC Messages | Updated January 7, 2026: We have updated the content. Thank you for your patience.
We're introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management. It also streamlines administration of multiple tenants by centralizing group membership control, reducing duplication and manual overhead. The new group sync functionality will be part of the Microsoft Entra ID Governance / Microsoft Entra Suite license. This message is associated with Microsoft 365 Roadmap ID 518221. When this will happen Public Preview: Rollout begins in late January 2026 and completes by late January 2026. General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in late April 2026 and completes by late April 2026. | Updated April 22, 2026: We have updated the timeline. Thank you for your patience.
We're introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management. It also streamlines administration of multiple tenants by centralizing group membership control, reducing duplication and manual overhead. The new group sync functionality will be part of the Microsoft Entra ID Governance / Microsoft Entra Suite license. This message is associated with Microsoft 365 Roadmap ID 518221. When this will happen Public Preview: Rollout begins in late January 2026 and completes by late January 2026. General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in late April 2026 and completes by end of May 2026 (previously late April). |
| 2026-04-23 | MC End Time | 05/30/2026 09:00:00 | 2026-07-06T09:00:00Z |
| 2026-04-23 | MC Summary | Microsoft Entra introduces cross-tenant security group synchronization, enabling centralized group management and resource sharing across tenants. Public Preview starts late January 2026; general availability begins late April 2026. Admins must opt in, update attribute mappings, and configure cross-tenant access policies to enable this feature. | Microsoft Entra introduces cross-tenant security group synchronization to simplify collaboration and centralize group management across tenants. Public preview starts late January 2026; general availability by end of May 2026. Admins can enable sync by updating attribute mappings and access policies. No compliance issues identified. |
| 2026-01-08 | MC prepare | https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization
https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=518221 | https://learn.microsoft.com/entra/identity/multi-tenant-organizations/cross-tenant-synchronization-configure?pivots=same-cloud-synchronization
https://learn.microsoft.com/entra/id-governance/licensing-fundamentals#types-of-licenses https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=518221 |
| 2026-01-08 | MC Summary | Microsoft Entra introduces cross-tenant security group synchronization, enabling centralized management and shared access across tenants. Public Preview starts late January 2026; general availability in late April 2026. Admins must opt in and configure attribute mappings and access policies. No compliance issues identified. | Microsoft Entra introduces cross-tenant security group synchronization, enabling centralized group management and resource sharing across tenants. Public Preview starts late January 2026; general availability begins late April 2026. Admins must opt in, update attribute mappings, and configure cross-tenant access policies to enable this feature. |
| 2026-01-08 | MC Last Updated | 12/17/2025 00:40:15 | 2026-01-07T23:52:18Z |
| 2026-01-08 | MC Messages | We're introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management. It also streamlines administration of multiple tenants by centralizing group membership control, reducing duplication and manual overhead.
This message is associated with Microsoft 365 Roadmap ID 518221. When this will happen Public Preview: Rollout begins in late January 2026 and completes by late January 2026. General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in late April 2026 and completes by late April 2026. | Updated January 7, 2026: We have updated the content. Thank you for your patience.
We're introducing cross-tenant group synchronization, a new capability that enables organizations to synchronize security groups across Microsoft Entra tenants. This feature simplifies collaboration scenarios by allowing shared access to resources across tenants while maintaining centralized group management. It also streamlines administration of multiple tenants by centralizing group membership control, reducing duplication and manual overhead. The new group sync functionality will be part of the Microsoft Entra ID Governance / Microsoft Entra Suite license. This message is associated with Microsoft 365 Roadmap ID 518221. When this will happen Public Preview: Rollout begins in late January 2026 and completes by late January 2026. General Availability (Worldwide, GCC, GCC High, DoD): Rollout begins in late April 2026 and completes by late April 2026. |
| 2026-01-08 | MC Title | Microsoft Entra: Cross-tenant security group synchronization | (Updated) Microsoft Entra: Cross-tenant security group synchronization |
| 2026-01-08 | MC MessageTagNames | New feature, User impact, Admin impact | Updated message, New feature, User impact, Admin impact |
Last updated 3 weeks ago ago
