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Just wondering whether you can help with my question below? O

Does Microsoft Azure AD B2C support multi tenant application? For example,

I created an Azure B2C service call Tenant A, link the service to my subscription account. Then I create the user TenantAAdmin as an admin (global administrator) for this tenant. This admin user be able to assign or create other user in the Azure AD B2C.

I created another Azure B2C service call Tenant B, link the service to my subscription account. Then I create the user TenantBAdmin as an admin (global administrator) for this tenant. This admin user be able to assign or create other user in the Azure AD B2C.

I had an service API e.g. monitor patient health services , this service API will be used for all tenants. How can I register this web API so that users in Tenant A and users in Tenant B are able to access and use the service?

Regards

Tom

Wayne Yang
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Thomas Tran
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2 Answers2

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You can use Custom policy implementation in Azure AD B2C to achieve multi tenant system for authentication.

Here is a very nice article covering all the scenario for configuring multi tenant system:

https://blogs.msdn.microsoft.com/mrochon/2017/07/27/developing-an-azure-ad-b2c-multi-tenant-application/

Also you can check our below QnA for reference

Multi-tenant Azure AD in Azure AD B2C

and

Multi-Tenant Azure AD Auth in Azure AD B2C with Custom Policies

Hope it helps.

Mohit Verma
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As far as I know, we can use custom policies to enable sign-in for users using the multi-tenant endpoint for Azure Active Directory (Azure AD) in Azure AD B2C. For more details, please refer to https://learn.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-setup-commonaad-custom.

Jim Xu
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