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1 Generic Login - Multiple Staff Teams login security flaw with Teams

Sharon Zhao-MSFT 25,081 Reputation points Microsoft Vendor
2020-08-10T06:44:59.893+00:00

[Note] This thread was originally posted on TechNet. Due to the lock down of TechNet forums, we manually migrated this one to Microsoft Q&A platform to continue the troubleshooting.
TechNet thread link

We have a generic login on a PC in one of our conference rooms, however multiple users login to the Teams installation under this Windows login. Once a user has logged in once and then signed out, Teams allows re-login with just an email address and never asks for the password again. I've also replicated this on my home PC.

I've tried uninstalling Teams and re-installing, and it still allows login without a password.
I've also tried clearing out the keys in the registry too.
Credential Manager does not have any information in there either.

Does anyone know how to clear out the credentials and get Teams to ask for a password every time someone logs in?

I guess there is no point in having a Sign out button if it remembers the password?

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A Microsoft customizable chat-based workspace.
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  1. Sharon Zhao-MSFT 25,081 Reputation points Microsoft Vendor
    2020-08-10T06:49:04.127+00:00

    [Note] This answer was summarized from the original thread on TechNet platform.
    TechNet thread link

    What authentication and verification methods do you use in Azure Active Directory?

    You can learn more by this link: https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-methods.

    It recommends you try to clear your client cache.

    Then, check if health status of Teams service is well in Microsoft 365 admin center.

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