Microsoft Teams Rooms now support Modern Authentication

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About Modern Authentication

Modern authentication is a Microsoft umbrella term for a combination of more secure authentication and authorization methods between a client (for example, a PC or a phone) and a server, as well as some security measures that rely on access policies. It includes:

  • Authentication methods: Multi-factor authentication (MFA); smart card authentication; client certificate-based authentication
  • Authorization methods: Microsoft’s implementation of Open Authorization (OAuth)
  • Conditional access policies: Mobile Application Management (MAM) and Azure Active Directory Conditional Access

Modern authentication is enabled by default in Exchange Online, Microsoft Teams, Skype for Business Online and SharePoint Online for new tenants. For tenants created before August 1, 2017, modern authentication is turned off by default for Exchange Online and Skype for Business Online.

Modern Authentication with Microsoft Teams Rooms

When you use modern authentication with the Microsoft Teams Rooms application, Active Directory Authentication Library (ADAL) and OAuth 2.0 is used to connect to Microsoft Teams, Exchange, and Skype for Business.

Modern Authentication support is available in MTR version which will roll out to all customers within this month. Release notes here

Microsoft Teams Rooms are shared devices. They self perform a nightly reboot to ensure smooth functioning and to get critical operating system, driver, firmware, or application updates.

Therefore, Microsoft Teams Rooms resource accounts shouldn’t be configured to use multi-factor authentication (MFA), smart card authentication, or client certificate-based authentication (which are all available for end-users).

The modern authentication mechanism uses the resource owner password credentials authorization grant type in OAuth 2.0, which doesn’t require any user intervention.

Full details: Authentication in Microsoft Teams Rooms

Microsoft Teams Rooms and Intune

You can also enrol Microsoft Teams Rooms in Microsoft Intune and apply compliance policies by using the guidance provided in Managing Teams Meeting Rooms with Intune.


Hybrid modern authentication overview and prerequisites for using it with on-premises Skype for Business and Exchange servers

Sourced from: TomTalks Blog. View the original article here.

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