Set up open federation to Teams

~ Vesa Nopanen

Teams external access configuration screen can be a bit confusing in case you don’t click the Learn more link to get more details.

If you add any domains to allowed list in this screen, you end up in a situation where a domain you haven’t added gets a notification:

So it is not a open federation. Looking at Learn more documentation you can find out why:

If you want open federation do following

  • Enable External Access
  • Enable Users can communicate with external Skype Users
  • Don’t add any domains to the list with Allow

Published by Vesa Nopanen

Principal Consultant and Microsoft MVP Helping and coaching customers to find benefits and value when adopting new tools, methods, ways or working and practices into daily work-life equation. I am always eager to challenge current situation and dig out new possibilities and ways to think and work. In my work I am also an adviser for customers so they can discover best benefits, gain best value & ROI out of chosen tools. My expertise area is Office 365, covering especially Teams, Power Platform (Power Automate, Power Virtual Agents, Power Apps), SharePoint and tools that create a modern workplace solution and practices. Buzzwords and tags that describe what I do: #Office365, #MicrosoftTeams, #PowerPlatform, #PowerAddicts, #SharePoint, #ModernWork, #Adoption, #Teamwork #Flow #GraphAPI #Automation

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