You have two Microsoft 365 tenants. Users have accounts in both tenants. You plan to deploy a single device to each user. Each device will contain the Microsoft Authenticator app. You need to ensure…

The correct answer is A. iOS. iOS is the correct platform. The Microsoft Authenticator app on iOS supports passwordless phone sign-in for multiple work or school accounts simultaneously, meaning a single device can authenticate to multiple Azure AD/Entra tenants. On Android (B), Microsoft Authenticator only…

Submitted by jian89· Apr 18, 2026Implement and manage Microsoft Entra identity and access

Question

You have two Microsoft 365 tenants. Users have accounts in both tenants. You plan to deploy a single device to each user. Each device will contain the Microsoft Authenticator app. You need to ensure that the users can use their device to authenticate to both tenants by using passwordless authentication. Which platform should you provide?

Options

AiOS
BAndroid
CWindows
DmacOS

How the community answered

(29 responses)

A
76% (22)
B
14% (4)
C
3% (1)
D
7% (2)

Explanation

iOS is the correct platform. The Microsoft Authenticator app on iOS supports passwordless phone sign-in for multiple work or school accounts simultaneously, meaning a single device can authenticate to multiple Azure AD/Entra tenants. On Android (B), Microsoft Authenticator only supports passwordless phone sign-in for a single work or school account at a time, making it unable to satisfy the two-tenant requirement. Windows (C) and macOS (D) platforms use Windows Hello for Business for passwordless, which is tenant-scoped and does not use the Authenticator app model described.

Topics

#Microsoft Authenticator#Passwordless authentication#Multi-tenant#iOS platform

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