Jan 13 2021 04:41 AM
The following error message appears each time I try to open Teams:
Jan 15 2021 07:52 AM
Hello @BrianG600 This post in our answers.microsoft.com tech support site might answer your question. If not, feel free to open your own ticket there for personalized service: Error code - online_check_failed: exceeded retry attempts - Microsoft Community
Here's another related unconfirmed source: Microsoft Teams Refused to Connect to Settings Endpoint (FIXED) (addictivetips.com)