Invitees not in my organization unable to join Teams web meeting via browser or app

DG 1 Reputation point
2022-12-01T23:36:00.733+00:00

Sent meeting invite to user with hotmail, gmail, and Teams users not in my organization. External users still get "Only people with access to this org can join its meetings" message. Here are the settings I confirmed prior.

As Global Administrator, I confirmed the following settings in Teams Admin Center:

External Access (all options enabled)

Teams and Skype for Business users in external organizations: Allow all external domains
Teams accounts not managed by an organization: "People in my organization can communicate with Teams users whose accounts aren't managed by an organization" set to On
"External users with Teams accounts not managed by an organization can contact users in my organization" is Enabled

Guest Access (all options enabled)

"Allow guest access in Teams" is set to On.

Also tried creating a Team and included external users

All settings set to On except for Guests able to add/edit/delete channels.
1 of the 3 external organizations are unable to join web meeting; all members of that 1 external organization have the "Guest" role

As Meeting Host/Organizer, I created meeting with the following:

Meeting Options in Teams Meeting Invite

All options set to "Everyone" for who can bypass lobby, who can present, and meeting chat.

Also saw an article to try clearing %appdata%\microsoft\teams cache folder, but one user confirmed they did not have these folder(s) for Teams prior to joining the meeting.

Microsoft Teams | Microsoft Teams for business | Other
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  1. SokiGuo-MSFT 31,551 Reputation points Microsoft External Staff
    2022-12-02T05:52:03.827+00:00

    Hi @DG
    According to your description, I recommend that you check the anonymity settings policy in both places. One is under Participants and Guests, and there is also another one under Meetings Settings. After the settings are complete, you need to wait for a while for them to take effect.

    Meeting Settings
    266348-image.png

    Meeting policies
    266491-image.png


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