Title: Some users may have been unable to access multiple Microsoft 365 services in Sweden
User impact: Users may have been unable to access one or more Microsoft 365 services.
Final status: We’ve identified that repair work on a network component for an unrelated issue, unexpectedly caused network failures to occur in the Sweden region. We’ve rerouted network traffic and confirmed via monitoring that the network has returned to normal health.
Scope of impact: Impact was specific to some users who were served through the affected infrastructure in Sweden.
Start time: Friday, October 27, 2023, at 10:52 AM UTC
End time: Friday, October 27, 2023, at 11:30 AM UTC
Root cause: Repair work on a network component for an unrelated issue, unexpectedly caused network failures to occur in the Sweden region.
Next steps:
– We’ll continue to closely monitor the affected environment to ensure the service remains healthy, and we’ll review our service resilience processes to help us reduce or avoid similar issues in the future.
This is the final update for the event.
