Title: Some users may have been unable to access the Microsoft Teams service
User impact: Users may have been unable to access the Microsoft Teams service.
More info: Specifically, users may have been unable to launch the Microsoft Teams desktop application or send messages.
Final status: We’ve identified that a specific section of networking infrastructure, responsible for facilitating access to the Microsoft Teams service, was unexpectedly operating below acceptable performance thresholds. Our automated recovery systems rerouted affected user traffic to alternate healthy infrastructure, and we’ve confirmed following a period of monitoring that impact has been remediated.
Scope of impact: Impact was specific to some users who were served through the affected infrastructure.
Start time: Thursday, February 8, 2024, at 9:19 AM UTC
End time: Thursday, February 8, 2024, at 10:30 AM UTC
Root cause: A specific section of networking infrastructure, responsible for facilitating access to the Microsoft Teams service, was unexpectedly operating below acceptable performance thresholds.
Next steps:
– We’re conducting a deeper analysis of data and trends on the affected infrastructure to understand why the increase in traffic resulted in impact, in order to reduce or avoid similar issues in the future.
This is the final update for the event.
