From Azure: DNS issue impacting multiple Microsoft services - Mitigated (Tracking ID GVY5-TZZ) Summary of Impact: Between approximately 21:30 UTC and 22:30 UTC on 01 Apr 2021, customers may have experienced intermittent issues accessing Microsoft services, including Azure, Dynamics, and Xbox Live.
Preliminary Root Cause: We are continuing to investigate the underlying cause for the DNS outage but we have observed that Microsoft DNS servers saw a spike in DNS traffic.
Mitigation: Microsoft engaged resilient DNS capabilities to absorb the spike in DNS traffic.
Next Steps: We apologize for the impact caused by this outage. We are continuing to investigate to establish the full root cause. Stay informed about Azure service issues by creating custom service health alerts: https://aka.ms/ash-videos for video tutorials and https://aka.ms/ash-alerts for how-to documentation.
CURRENT STATUS From Azure: Microsoft rerouted traffic to our resilient DNS capabilities and are seeing improvement in service availability. We are continuing to see availability improvements, so some customers may begin seeing services recover. We are managing multiple workstreams to validate recovery and apply necessary mitigation steps to ensure complete network recovery. 23:07 UTC on 01 April 2021
Posted Apr 01, 2021 - 23:14 UTC
Engineering is investigating an issue with DNS that is impacting several downstream Azure services.
This message was last updated at 22:07 UTC on 01 April 2021
Posted Apr 01, 2021 - 22:10 UTC
We are monitoring the issue and will follow Azures work to restore functionality. Azure is currently giving the following information:
We are aware of an issue affecting the Azure Portal and Azure services, please visit our alternate Status Page here https://status2.azure.com for more information and updates.