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MC335634: Teams Desktop Client Cross Cloud Anonymous Meeting Join

Updated May 10, 2022: We have updated the rollout timeline below. Thank you for your patience.

Updated March 18, 2022: Microsoft have updated the rollout timeline below. Thank you for your patience.

This feature update to Cross Cloud Anonymous (CCA) Meeting Join in Microsoft Teams will allow users to join meetings as unauthenticated (anonymous) users.

  • This release expands the current unauthenticated (anonymous) meeting experience available for different tenants within a single cloud to all remaining Microsoft clouds (Worldwide, GCC, GCC High and DOD).

Note: This new functionality will only affect the Teams desktop client. Teams web client meeting join experiences will remain unchanged as they already support cross cloud meeting join.

This message is associated with Microsoft 365 Roadmap ID 86311.

Join meetings in other clouds anonymously from your Teams desktop app (across clouds). We will be enabling this in three phases. First, Commercial and GCC customers will be able to join meetings in GCC-High and DOD clouds. Next, we will enable GCC-High customers to join Commercial, GCC and DOD meetings. Then, we will enable DOD customers to join Commercial, GCC, and GCC-High meetings.

MC335634: Teams Desktop Client Cross Cloud Anonymous Meeting Join

When this will happen

  • Standard: Complete
  • GCC/GCC-H/DoD: deployments have been paused or rolled back and will require an updated client version. Deployment of the updated client is beginning immediately to these clouds. Full deployment to all clouds is anticipated to complete prior to the end of June.


  • The minimum client version for Standard is: Windows:, Mac:
  • The minimum client version for GCC/GCC-H/DOD has been updated to: Windows:, Mac:

How this will affect your organization

This change only impacts your organization if Anonymous Access to Teams Meetings is turned on in your tenant. When enabled, this feature allows users in other tenants and other Microsoft Clouds to join meetings hosted in your tenant as unauthenticated (anonymous) users.

What you need to do to prepare

Please familiarize yourself with Teams Anonymous Meeting Join and the relevant administrative controls available to your tenant.

Message ID: MC335634
Published: 24 February 2022
Updated: 10 May 2022
Platform: US Instances, Web, Windows Desktop, World tenant

Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook

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