Challenge in Verifying Attendee Participation in Microsoft Teams Meetings

Question

When creating a meeting using the CreateMeetingWithHttpClient method, the response we receive only includes a single meetingUrl. All participants, including the admin and attendees, access the meeting using the same link.

However, if an attendee joins the meeting through a browser without authenticating and manually enters their name, we encounter a challenge. Specifically, in the AttendanceReports list provided after the meeting, we cannot reliably match this participant to the attendee list we initially sent (which is based on email addresses). As a result, it becomes impossible to confirm whether that particular attendee participated in the meeting.

In summary, we cannot ensure accurate attendance tracking for participants who join without authentication.

public async Task<Result<CreateMeetingResponseProxy>> CreateMeeting(MeetingRequestDto dto, string subject, string content, DateTime startDateTime, DateTime endDateTime, bool isOnline, List<AttendeeDto> attendees)
{
    try
    {
        var graphClient = CreateGraphClient(dto);

        var timeZoneId = "Europe/Istanbul";

        var @event = new Event
        {
            Subject = subject,
            Body = new ItemBody
            {
                ContentType = BodyType.Html,
                Content = content
            },
            Start = new DateTimeTimeZone
            {
                DateTime = startDateTime.ToString("yyyy-MM-ddTHH:mm:ss"),
                TimeZone = timeZoneId
            },
            End = new DateTimeTimeZone
            {
                DateTime = endDateTime.ToString("yyyy-MM-ddTHH:mm:ss"),
                TimeZone = timeZoneId
            },
            AllowNewTimeProposals = true,
            IsOnlineMeeting = isOnline
        };

        if (isOnline)
        {
            @event.OnlineMeetingProvider = OnlineMeetingProviderType.TeamsForBusiness;
        }

        @event.Attendees = attendees.Select(attendee => new Attendee
        {
            EmailAddress = new EmailAddress { Address = attendee.Email, Name = attendee.Name },
            Type = attendee.Role
        }).ToList();

        var createdEvent = await graphClient.Users[dto.UserId].Events.PostAsync(@event);
        var meetingUrl = createdEvent?.OnlineMeeting?.JoinUrl;

        return Result<CreateMeetingResponseProxy>.Success(new CreateMeetingResponseProxy
        {
            EventId = createdEvent.Id,
            MeetingUrl = meetingUrl
        });
    }
    catch (Exception ex)
    {
        return Result<CreateMeetingResponseProxy>.Failure($"Failed to create meeting: {ex.Message}");
    }
}

Answer 1

Hi @onyore

If these unauthenticated users enter the meeting as an anonymous user, their information may not be displayed in the meeting attendance report.

If an attendee has the Identify me in attendance reports switch set to Off in their Teams privacy settings, you won't be able to see that user in meeting attendance reports either.

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