Here is how to fix Microsoft Teams error CAA20002 ptoperly. You need to reconnect your Microsoft Teams account, clear Teams cache files, etc.

The result, when users attempt to open Microsoft apps like OneDrive, Teams or Skype, is that they get an error message saying – JavaScript required to sign in.

A Microsoft 365 outage is preventing users from logging into Microsoft Teams, Exchange Online, Forms, Xbox Live, and Yammer.