Monday, November 4, 2019

Microsoft Teams opening up a blank login page

Hello,
I have no screen shots of this, but this is what is happening:
Windows 10, 1903
User opens Teams, it asks them to login then directs to a blank white screen. If you close the screen it brings you to a teams error -4c7
To fix this:
Step 1
(This step is possibly unneeded)
Apps and Features, remove teams. This won't remove it and you will be able to uninstall it over and over without it removing.
Repair Office, a quick repair is all that's needed. Then Teams will be ghosted.
This will allow you to delete the teams folders in App Data

Step 2
App Data > Local > Microsoft > Teams/TeamsMeetingAddin/TeamsPresenceAddin

App Data > Roaming > Microsoft Teams

App Data > Roaming > Microsoft > Teams

After deleting those folders, log into portal.office365.com and download Teams again.

User will be presented with the same white screen.
Close it and they will get a web login page, after putting in the email address Teams will pop up with a User/Password screen. Then finally a password on the previous web login page.


Update:
This may be tied to SSO

Update:
You may be able to just delete the Teams folders from App Data
at

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