Azure AD External Identities end of sale

1 May 2025 marks the end of sale for new customers of Azure AD External Identities Plan 2 and Azure AD B2C – Microsoft Entra External ID is Microsoft’s latest Customer Identity and Access Management (CIAM) solution for managing identity, authentication and authorisation of external users.

This site gives information about required actions for existing customers of the older solutions (https://bit.ly/42E3i1d), and there’s a useful FAQ here: https://bit.ly/4jNr2Yl.

External user licensing requirements for Teams

Microsoft update the Product Terms site for May 1, 2021 by confirming that User SLs are not required for any user to join a Teams meeting or a Teams Live event. User SLs are also not required for external users to participate in Teams channels as a Guest with an Azure AD External Identity: https://bit.ly/3eGET3e.