On teams login, it just routes me back to the sign in page infinitely.

ello

welcome to the Microsoft community, My name is Yakubu Suleman I'll be happy to help you today;

I understand that when you log into teams, it route you back to the sign in page

Please note that this issue occurs if you use the Trusted Sites feature in your browser and you don't add the URLs for Microsoft Teams to the list of sites that your browser should trust. In this situation, the Teams web client can't sign in.

Kindly try this and revert with an update


Microsoft Edge
In the Edge Settings window, select Cookies and site permissions > Cookies and data stored > Manage and delete cookies and site data.

Turn on Allow sites to save and read cookie data (recommended), and make sure that Block third-party cookies is turned off.

Alternatively, if you have to keep third-party cookies blocked, do this instead in the same window:

Under Allow, select Add to add the following sites:

[*.]microsoft.com
[*.]microsoftonline.com
[*.]teams.skype.com
[*.]teams.microsoft.com
[*.]sfbassets.com
[*.]skypeforbusiness.com


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Kindest regards,