Microsoft Entra External ID
Fundamentals

Cross Tenant Access Overview

In brief

The overview now states that a Microsoft Entra ID P1 license is required on the configured tenant to change the default redemption order, in addition to configuring trust or scoped access settings.

What Entra admins need to know

Administrators should ensure the configured tenant has a P1 license before changing the default redemption order.

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Documentation change

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There are no limits to the number of organizations you can add in cross-tenant access settings.

Manage external access with inbound and outbound settings

The external identities cross-tenant access settings manage how you collaborate with other Microsoft Entra organizations. These settings determine both the level of inbound access users in external Microsoft Entra organizations have to your resources, and the level of outbound access your users have to external organizations.

  • To configure cross-tenant access settings in the Azure portal, you need an account with at least Security Administrator, or a custom role.

  • To configure trust settingssettings, change the default redemption order, or apply access settings to specific users, groups, or applications, you need a Microsoft Entra ID P1 license. The license is required on the tenant that you configure. For B2B direct connect, where mutual trust relationship with another Microsoft Entra organization is required, you need a Microsoft Entra ID P1 license in both tenants.

  • Cross-tenant access settings are used to manage B2B collaboration and B2B direct connect with other Microsoft Entra organizations. For B2B collaboration with non-Microsoft Microsoft Entra identities (for example, social identities or non-IT managed external accounts), use external collaboration settings. External collaboration settings include B2B collaboration options for restricting guest user access, specifying who can invite guests, and allowing or blocking domains.

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