Due to admin policy, you can't add external people to the channel

Hi all, I have configured B2B Connect between my own tenant and another one, but when Im trying to add a external contact from the other tenant in a shared channel in teams, I get this message: D...

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__AlexXx__
Dec 15, 2023
Chris_OConnor

Hi Chris,
Yeap, my org has some Labels configured and if them do not allow external sharing we can't proceed, even with b2b configured.

So I went through Compliance Center > Information Protection > Labels > Select the label > Edit label > Go next till Groups & Sites > Mark checkbox Let M365 Group Owners and people outside...

Do not know if this will help in your case but was the solution in mine

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Due to admin policy, you can't add external people to the channel

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