Problem to start Teams in the browser

[André Diekmann]

Hi together,

i have a problem to start Microsoft Teams in my different web browser.

When I logged into the O365 portal and then use the teams app, I get an error:

AADSTS70001: Application '5e3ce6c0-2b1f-4285-8d4b-75ee78787346' is disabled.

This error occured in Internet Explorer and Chrome.

When I use Edge, everything will be allright.

When I use the incognito mode from Chrome, everything will be allright.

My OS is Windows 10 (1709). In the IE I cleared the browser cache etc. , but the error continues.

I cleared the saved credentials in the control panel of the os, but there is no improvement.

I am at a loss.

Does anyone have a good idea?

Thanks a lot.

Best regards

André

[#2]

At first glance the AADSTSS7001 looks like it may be an authentication issue.

What happens if you do the same thing on another device?

[#3]

To me it looks like a form Conditional Access forcing a certain browser for access. Have you tried from another machine on those browsers to see if the issue is the same?

[#4]

Can you find out if you guys use Azure AD Conditional access for Teams?

In this article: https://docs.microsoft.com/en-us/azure/active-directory/active-directory-conditional-access-technica...

In order to make Chrome work with 1709+ Windows 10 you have to install this extension: https://chrome.google.com/webstore/detail/windows-10-accounts/ppnbnpeolgkicgegkbkbjmhlideopiji

[#5]

Hi Christopher,

we don´t use conditional access.

Simple O365 Tenant...

I now reseted all the settings in IE including deletion of personal settings, now it works in IE.

It is not working in Chrome, so I think, there are some cached data, which lead to this error.

I don´t want do delete all my Chrome settings. I am looking for a simple solution, if I can delete a information to let it work in Chrome again. If you have a good sugestion, I would be very happy :)

[#6 · Accepted solution]

Could give this a whirl for just Teams.microsoft.com or Microsoft.com https://www.google.com/amp/www.thewindowsclub.com/clear-cache-cookies-specific-website/amp

[#7]

Brilliant! it works!

Thanks a lot!!

[#8]

I have the same behavior, but on all clients (native, web, android).
Clearing the cache or using incognito does not solve the problem for me...

Any idea is more than appreciated!!

[#9]

Hello,

in my case I deleted all the cookies and then it works.

Best regards

André

[#10]

try to open in safe mode

[#11]

For anyone else that stumbles across this problem, I recently wrote up a series of troubleshooting steps and solutions.  It usually boils down to three things:

- License

- Teams app(s) disabled in Azure AD Enterprise Applications

- Clear browser cache

https://www.undocumented-features.com/2021/01/25/troubleshooting-aadsts7000112-application-5e3ce6c0-...