Credential Manager is a Windows tool that manages to add, editing, and saving login credentials for different installed applications and services.

Click Start, search Credential Manager, and open it.

Users were able to fix this problem by deleting the default Windows Credentials file. Solution 1: Delete MS Teams Credentials FilesĪs discussed in the causes, this problem may arise if you have changed your Microsoft O365 Account password recently and your old password is still stored under the Windows Credentials storage file.

Service is Down: Another thing to be mindful of is that there is sometimes downtime on Team’s servers at the backend.

Windows credentials for O365 applications, ultimately causing this problem. Users may be using the wrong credentials i.e. Windows Credentials Clash: Most users are not aware of the fact that Microsoft’s database is different for both Windows Account and Office 365 Account.These policies are adopted to enhance both security and privacy. Azure Active Directory (AAD): The error may also arise when your organization is not complying with the Azure Active Directory (AAD) configuration policies.Certain websites may even refuse connection from your internet. Therefore, if the date & time is incorrect on your PC then you are most likely to get the problem under consideration. Privacy & security patches also get updated relative to date & time. Incorrect Date & Time: Microsoft applications work relative to the date & time.A shared or weak internet connection may hinder the login process and thus, increase the loading time. Bad Internet Connection: Another key reason for the MS Teams application to suffer this problem can be your internet connection.Corrupted cache data blocks authentication certificates which ultimately cause this problem. Corrupted Cache: Everyone knows how much harm corrupt files could do to your installed applications as well as to your computer.It can happen due to a number of reasons, among which the primary being when the user changes his/her Microsoft Teams Account password while he/she had his/her account logged in the MS Teams desktop client. Inappropriate Password Change: The main reason behind this problem is the corrupt cached password.

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