How to Fix Microsoft Teams External Users Unable to Join Meetings from the Lobby

Summary

This guide helps you troubleshoot and resolve: How to Fix Microsoft Teams External Users Unable to Join Meetings from the Lobby. Follow the steps below to fix the issue.

Common Causes

When external guests or clients are stuck in the Microsoft Teams meeting lobby or cannot join a call at all, it is usually caused by meeting options, tenant security settings, or the guest's own sign-in status. This guide helps Brisbane small business users resolve lobby issues so external participants can enter meetings without delay.

Quick Fix Steps

1. Ask the external user to sign in to Microsoft Teams with their work or school account before clicking the join link.
2. Check that the meeting organiser has allowed everyone to bypass the lobby in meeting options.
3. Ask the guest to try joining in a private or incognito browser window if they do not have the Teams app installed.
4. Confirm the guest is not using a personal Microsoft account (@outlook.com, @hotmail.com) if your organisation restricts anonymous join.

Detailed Instructions

Adjust Meeting Options as the Organiser

1. Open Microsoft Teams and go to your Calendar.
2. Open the meeting and select Meeting options from the top toolbar.
3. Under Who can bypass the lobby?, select Everyone to allow external users to join directly.
4. Select Save and re-send the meeting invitation if changes were made after the original invite.

If you are not the meeting organiser, contact the person who scheduled the meeting and ask them to update these options.

Ask External Guests to Sign In

1. Open the Microsoft Teams desktop app or go to teams.microsoft.com.
2. Sign in with a Microsoft 365 work or school account.
3. Click the meeting join link again.
4. If prompted, select Continue on this browser or Open your Teams app.

Guests joining as "anonymous" without signing in are more likely to be held in the lobby, especially if your tenant blocks anonymous users.

Join Using a Browser Instead of the App

1. Copy the Teams meeting link.
2. Open Microsoft Edge or Google Chrome in a private or incognito window.
3. Paste the link and press Enter.
4. Select Join on the web instead when prompted.
5. Enter your name and select Join now.

Troubleshooting

External User Still Stuck in the Lobby

• Confirm the meeting has not reached its attendee limit.
• Ask the organiser to admit the guest manually from the lobby.
• Check if your organisation's admin has enabled external access for the guest's domain in the Teams admin centre.
• Ensure the guest is not using a blocked or unverified email domain.

Guest Cannot See the Join Button

• Ask them to check their junk email folder for the meeting invite.
• Suggest they use a different browser or clear their browser cache.
• Verify the meeting link has not expired or been deleted from the organiser's calendar.

Audio or Video Fails After Joining

• Ask the guest to allow microphone and camera permissions in their browser.
• Suggest they use the Teams desktop app rather than the web version for better performance.
• Check that their device is not muted at the hardware level.

If the issue continues after trying these steps, Open a Ticket with 220 Internet Services support.

You may also find our guide on Email not sending or receiving helpful if meeting invitations are not reaching your inbox.

Still Having Issues?