Configuring Channel Sharing in Microsoft Teams

Question

I am looking at trailing the public preview of channel sharing with external users, however i am experiencing an issue with configuring the setup. I have followed these instructions: https://techcommunity.microsoft.com/t5/microsoft-teams-blog/microsoft-teams-connect-shared-channels-is-rolling-out-to-public/ba-p/3252901#:~:text=Shared%20channels%20provide%20Teams%20admins,in%20an%20external%20shared%20channel. I have opened up the following settings on both tenancies, and still unable to resolve external names when choosing to share the channel: ![195096-image.png][1] ![195087-image.png][2] ![195059-image.png][3] ![195049-image.png][4] [1]: /api/attachments/195096-image.png?platform=QnA [2]: /api/attachments/195087-image.png?platform=QnA [3]: /api/attachments/195059-image.png?platform=QnA [4]: /api/attachments/195049-image.png?platform=QnA