How to Fix Microsoft Teams Meetings Not Starting or Joining
Applies to
Microsoft Teams for Windows, macOS, web, work, school, and personal accounts
Last updated
6 July 2026
Problem
Microsoft Teams will not let you start or join a meeting. The meeting link may not open, the join button may be missing, Teams may get stuck on the pre join screen, or the meeting may show an error after you click Join.
This is usually caused by a poor internet connection, Teams app problems, browser link issues, expired or incorrect meeting links, account permissions, calendar sync problems, or organisation meeting policies.
Solution
Check the meeting link, confirm you are signed in with the correct account, try joining from Teams on the web, restart the app, and verify that your network and organisation settings allow Teams meetings.
Step by step instructions
Check the meeting link or calendar invite
Start by confirming that the meeting information is correct.
Check the invite for:
- The correct meeting date and time
- A valid Teams meeting link
- The correct organiser
- Any instructions about who is allowed to join
- Whether the meeting was cancelled or updated
If you received an old invite, ask the organiser to resend the latest meeting link.
Join from the Teams calendar
Open Microsoft Teams.
Go to Calendar.
Find the meeting.
Select Join.
If the meeting appears in your Outlook calendar but not in Teams, your calendar may not have synced yet. Close and reopen Teams, or try joining from the Outlook invite.
Join using the meeting link
Open the meeting invite.
Select the Teams meeting link.
If your browser asks how to open the link, choose Microsoft Teams.
If the desktop app does not open, choose the option to continue in the browser.
You can also go directly to Teams on the web:
Sign in, then try the meeting link again.
Confirm you are using the correct account
If the meeting belongs to a work or school organisation, you may need to join with the invited account.
Check which account is currently signed in to Teams.
If necessary, sign out and sign back in with the correct account.
This is especially important if you use both personal and work Microsoft accounts.
Restart Teams fully
Close Teams completely.
On Windows, right click the Teams icon in the taskbar or system tray and choose Quit.
On macOS, quit Teams from the menu bar or dock.
Reopen Teams and try joining again.
If Teams still fails, restart your computer.
Check your internet connection
Teams meetings need a stable connection for audio, video, and screen sharing.
Before joining, check that normal websites load correctly.
If the connection is unstable:
- Move closer to your WiFi router
- Switch from WiFi to wired Ethernet if possible
- Restart your router
- Disconnect from VPN temporarily if allowed
- Stop large downloads or uploads during the meeting
Try Teams in a browser
If the desktop app is failing, join from a supported browser.
Go to:
Sign in with the correct account.
Open the meeting link again.
If the meeting works in the browser, the desktop app may need to be repaired, reset, or reinstalled.
Check meeting permissions
Some meetings restrict who can join directly.
You may be held in the lobby if:
- You are outside the organiser’s organisation
- You are using a different account
- The organiser has restricted guest access
- The meeting is set to allow only invited users
If you are stuck waiting in the lobby, contact the organiser and ask them to admit you.
Update Microsoft Teams
If meeting join problems continue, update Teams.
Open Teams.
Select Settings and more.
Choose Check for updates if available.
Restart Teams after updating.
If the app is badly broken, reinstall it from the official Microsoft page:
Check with your IT administrator
For work or school accounts, Teams meetings can be affected by organisation policies.
Ask IT to check:
- Your Teams licence is active
- Meeting features are enabled
- Guest access is allowed if needed
- Conditional Access policies are not blocking the meeting
- Your account is not blocked or disabled
- Microsoft 365 service health has no Teams meeting incident
Optional methods or tools
- Join from https://teams.microsoft.com if the desktop app will not open
- Use Outlook calendar links if the Teams calendar does not show the meeting
- Try another browser if Teams web fails to load
- Use a wired internet connection for important meetings
- Ask the organiser to resend the invite if the meeting link appears invalid
Best practices or tips
- Join a few minutes early to test audio, video, and permissions
- Use the same account that received the meeting invite
- Keep Teams updated on all devices
- Avoid switching accounts immediately before a meeting
- Save important meeting links somewhere easy to access
Microsoft Teams meeting join problems are usually caused by account mismatch, app faults, poor connectivity, or meeting permission settings. Checking the meeting link, signing in with the correct account, and trying Teams on the web will resolve many join failures quickly.
If Teams meetings fail across several users or devices, the issue may be related to Microsoft 365 service health or organisation policy. In that case, work or school users should ask their IT team to check Teams meeting settings and account access.
