Thursday , October 15 2020

Sign in Issue on Teams Windows Client

Windows Client stopped working all of a sudden. User can work on a different computer , Web App works and mobile app works.

We’re Sorry – We’ve run into an issue.

Try again

if that doesn’t work try signing out and back in.

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We need you to Sign in ! Either your password changed or the server needs your sign-in info again.

 

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We weren’t able to connect. Sign in and we’ll try again. Sign in.

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Same Solution for users showing a unknown user in Windows thick client

Solution –

Tried Quitting the application

Tried restarting the computer

Web https://teams.microsoft.com works.

Start – run –

%AppData%\Microsoft\

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Rename

Teams Folder to Teams.old

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Restart Teams client.

About Satheshwaran Manoharan

Satheshwaran Manoharan is an Microsoft Office Server and Services MVP , Publisher of Azure365pro.com. Specialized in Office365 / Microsoft Exchange / Virtualization , Sathesh is an Messaging Expert supporting/Designing/Deploying many medium size businesses to large enterprises when it comes to Corporate messaging and Virtualization Infrastructure

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8 comments

  1. Just fyi, you just need to delete the settings.json file from that folder, and restart MS Teams.

    %AppData%\Roaming\Microsoft\Teams\settings.json

  2. error code – caa70004

    Just removing the settings.json file didn’t work.
    Renaming Teams folder didn’t work.
    Removing stored credentials didn’t work,
    TLS 1.1, 1.2 and 1.3 are ticked in IE Options.
    PC reboot didn’t work
    Reinstall didn’t work

    Logs definitely show the issue as being authentication. Works online
    I’m out of idea. Anyone got any more?

  3. Facing the same issue.Is there any workaround ?

  4. Quitting teams entirely using the task-bar icon (right click and select “Quit”) and then reopening the app resolved the issue for me.

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