What Causes Can’t Sign into Microsoft Teams Error Code CAA2000B?
We have listed down some of the causes of this problem after reviewing the user’s feedback and technical authorities in detail. This problem may arise due to any of the following reasons: Note: Before attempting any solution, quit the Microsoft Teams application from Task Manager to ensure you won’t lose any data. Furthermore, please sign into MS Teams using Web Browser to see if you can sign in there. In case you can, this error is strictly because of your Microsoft Teams desktop application.
Solution 1: Reset Internet Settings
As discussed in causes, bad internet connection or faulty internet settings may cause this problem. Users were able to resolve this issue after they had reset Network Settings. Follow the steps given below:
Solution 2: Clear Microsoft Teams Cache
As discussed in causes, corrupted cache data blocks authentication certificates which ultimately cause the error under consideration. Many users have reported that resetting/clearing MS Teams cache data helped them in resolving this problem. In this solution, methods for both Windows 10 and macOS have been provided. Kindly follow the steps followed by your operating system to fix this error.
For Windows 10 users:
For macOS users:
Solution 3: Clean Uninstall & Reinstall MS Teams
If clearing the Microsoft Teams cache didn’t fix your problem then there is a strong possibility that some of the Microsoft Teams system files are corrupted. The easy fix would be to completely uninstall MS Teams and reinstall the latest fresh copy. This proved to be a helpful solution for many users online. Follow the steps given below to do so:
