If you’re experiencing issues with Microsoft Teams this morning, don’t worry you’re not alone. Currently, Microsoft teams is going through some glitch & outage in several locations.
We’re investigating an issue where users may be unable to access Microsoft Teams. We’re reviewing systems data to determine the cause of the issue. More information can be found in the Admin center under TM202916
— Microsoft 365 Status (@MSFT365Status) February 3, 2020
Update from the “Microsoft 365 Status” Twitter account: We’ve determined that an authentication certificate has expired causing, users to have issues using the service. We’re developing a fix to apply a new certificate to the service which will remediate impact. Further updates can be found under TM202916 in the admin center.
You can view the outage map, “Downdetector” here.