Contoso, Ltd. uses the domain contoso.com. The company adds fabrikam.com as an additional domain.

You schedule a meeting from the contoso.com domain by using the Microsoft Teams app. You are unable to add a user named UserA@fabrikam.com to the meeting.

You need to resolve this issue.

Which three actions should you perform? Each correct answer presents part of the solution.

NOTE: Each correct selection is worth one point.

A. Assign an audio conferencing license to UserA.

B. Ensure that the Fabrikam.com domain is verified in Microsoft 365.

C. Assign a Microsoft Exchange license to UserA.

D. Set the value of the HiddenFromAddressListsEnabled attribute to False for the user’s mailbox.

E. Set the value of the HiddenFromAddressListsEnabled attribute to True for the user’s mailbox.

Reference:
https://docs.microsoft.com/en-us/microsoftteams/exchange-teams-interact

https://docs.microsoft.com/en-us/microsoft-365/admin/setup/add-domain?view=o365-worldwide