Hi All, We recently discovered an issue with the Teams outlook add-in, where there is no Join button for Teams meetings on the Outlook calendar reminder. We are currently in islands mode, and there is a Join button for Skype meetings in the Outlook calendar reminder. Any ideas? Thanks.

Well I did suggest about that early on in the thread 😉 glad you figured it out!

Are you logged in to a guest tenant? If so, change tenant to your own within the client, restart outlook.

Hi Erwin Bierens thanks for your reply. No I am not currently logged into a guest tenant.

Did you check your add-ins in Outlook? Maybe its inactive.File > options > Add-inHere you should see: "Microsoft Teams Meeting Add-in for Microsoft Office"Did you already try to launch outlook as Administrator?

Erwin Bierens The Teams Add-in is active and working, I can create a new Teams meeting in the calendar etc which all works fine, however when the calendar reminder pops up, there is no option to "Join Online". This button is present in another tenant, but I cant find out why - very strange.

No Join Button - Teams Outlook Add-in | Microsoft Community Hub

29 Replies

EdDark
Copper Contributor
Jul 09, 2021
Could this be related to those with an on-prem Exchange server?

We are part way through migrating users from on-prem Exchange to Exchange Online (365). I'm seeing the same missing JOIN button when someone with an on-prem account sends an Teams Meeting invite to a Exchange Online user.

The Teams meeting details are in the message body, just no JOIN button.
Shehata334
Copper Contributor
Nov 01, 2020
amoller
Hi Team

I have the same issue in desktop only.
while using the same account in mobile app it is working fine but in the desktop it is not showing join button.
I notice also while switch between two accounts it is not asking the password.
Jenny8675
Brass Contributor
Jan 23, 2020
https://techcommunity.microsoft.com/t5/microsoft-teams-blog/why-can-t-i-see-the-microsoft-teams-meeting-add-in-for-outlook/ba-p/174630
Jenny8675
Brass Contributor
Jan 23, 2020
I had the exact same issue and although the instructions are funky, it worked for me.

-Sign out and close Outlook (and when running, do not run with elevated permissions).
-Download, install, and sign into Teams Desktop App.
-After signing in, restart the app.
-Restart Outlook after restarting Teams.
(worked, hopefully for you too)
ChrisWebbTech
MVP
Jan 20, 2020
Yeah, just confirmed with my islands test user. You do not get the buttons available in Outlook unless you are signed into a Teams Only account in your Teams client when starting Outlook.
- amoller
  Brass Contributor
  Jan 23, 2020
  Hi ChrisWebbTech, I have just tested this with our testing tenant with an islands user and this works fine? Seemingly this does not seem to be what is causing this issue.
  - ChrisWebbTech
    MVP
    Jan 23, 2020
    How did you test it? I can reproduce every time. Make sure you have outlook shut down. Log into teams with island user then open outlook (make sure Outlook was 100% closed) then open outlook. If you had outlook open then just log into the island user to test it will still work.
Erwin Bierens
MVP
Jan 20, 2020
Are you logged in to a guest tenant?

If so, change tenant to your own within the client, restart outlook.
- Asleyjmypolkschoolsn
  Copper Contributor
  Nov 19, 2020
  Erwin Bierens i wish i was teacher
- amoller
  Brass Contributor
  Jan 20, 2020
  Hi Erwin Bierens thanks for your reply.
  
  No I am not currently logged into a guest tenant.
  - Erwin Bierens
    MVP
    Jan 20, 2020
    Did you check your add-ins in Outlook? Maybe its inactive.
    
    File > options > Add-in
    
    Here you should see: "Microsoft Teams Meeting Add-in for Microsoft Office"
    
    Did you already try to launch outlook as Administrator?

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No Join Button - Teams Outlook Add-in

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