Teams / Chrome - Re-enable the application the tab needs to be refreshed "I'm Back"

Issue

When trying to access Microsoft Teams Web Client using Google Chrome, You receive the above message and are unable to use Teams.

Cause

The root cause seems to be blocked cookies, so if you Block 3rd party cookies as part of your security policy, i.e. using Google GPO`s, You will see this message.

Resolution 1 (Recommended) - Enterprise

Rather than enabling all 3rd party cookies, you can simply add the below sites to the "Allow Cookies on these sites" option in your GPO. Or add them directly into chrome.

Resolution 2 - Per User

Get users to add teams.microsoft.com as per below and select the option "Including third party cookies on this site"