Updated Information:
This is now resolved
Error when attempting to access Microsoft 365 services User
Users may have received an error when attempting to access Microsoft 365 services.
Users may have received the following error message: "AADSTS90033: A transient error had occurred. Please try again." Microsoft Teams - Teams Live Events were impacted by this issue.
Final status: Microsoft redistributed traffic within the affected infrastructure and have validated that service has been restored. Preliminary root cause: An increase in traffic within a portion of infrastructure responsible for Microsoft 365 access had caused an issue in which users were unable to authenticate to Microsoft 365 services.
Microsoft incident ID MO216274
