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External users appear as Unknown in meeting details

  • Applies to: Microsoft Teams

Consider the following scenario:

  • An external (federated) user joins meetings and calls by using the Teams client.

  • In the Teams admin center, you access the call analytics information for the user:

    1. Under Users > Manage Users, you select the user.
    2. On the user's profile page, you select the Meetings & calls tab.

  • You select a meeting ID to view the details.

In this scenario, the username is displayed as Unknown on the Overview page. The following screenshot shows an example.

Screenshot that shows the username displayed as Unknown.

This behavior is by design. On the meeting details page, the Teams admin center UI uses the Microsoft Graph API to query the Microsoft Entra tenant for user properties, such as displayName. Because external users aren't available for queries, the username is displayed as Unknown.

For more information about call analytics, see Set up call analytics for Microsoft Teams.