Configuring and Managing Cross-Tenant Access for B2B Direct Connect in Microsoft Entra ID for Shared Channels

Configuring cross-tenant access for B2B direct connect allows you to configure how your organization interacts with other Microsoft Entra entities. You have control over both inbound (how others collaborate with you) and outbound (your organization’s collaboration with others) settings. By default, all inbound and outbound B2B collaborations are allowed, but you can adjust these settings based on your specific collaboration and security needs.

Exercise 4.8: Adding the Organization

In this following exercise, you will learn the steps that both organizations’ Global Administrators or Security Administrators must follow to allow organizations to share channels. Both organizations must establish a relationship in Microsoft Entra B2B direct connect:

1. Go to the Microsoft Entra admin center at https://entra.microsoft.com.
2. Select External Identities ...