Title: Some users may be unable to send email or experience a delay in sending email to Microsoft Teams channels
User impact: Users may have been unable to send email or experienced a delay in sending email to Microsoft Teams channels.
Final status: We’ve successfully deployed a fix to address this problem and determined from service telemetry that the service is operating as expected and this issue is no longer occurring.
Scope of impact: Users serviced by the affected infrastructure may have been unable to send email or experienced a delay in sending email to the Microsoft Teams channel.
Start time: Friday, January 26, 2024, at 1:00 AM UTC
End time: Monday, January 29, 2024, at 6:36 AM UTC
Root cause: A permissions related code issue was introduced in a previous Microsoft Teams update, leading to impact.
Next steps:
– We’re reviewing our validation and update procedures to detect and prevent issues like this prior to deployment in the future.
This is the final update for the event.