06:40 PM
Initial power event occurred which led to power loss in the affected data hall.
06:45 PM
Technicians from datacenter operations team engaged.
06:46 PM
Portal Communications started being sent to impacted subscriptions.
07:02 PM
Datacenter incident call began to support triaging and troubleshooting issues.
07:08 PM
Azure engineering teams joined a central incident call, to triage and troubleshoot Azure service impact.
08:13 PM
Power restoration assessed safe and began.
08:35 PM
Compute, Network, and Storage infrastructure began to recover.
08:54 PM
Communications published to our public status page.
08:56 PM
Power had been restored. Infrastructure recovery continued.
09:40 PM
85% of the VMs impacted by underlying VHD availability recovered.
06:30 AM
Additional 13% of VMs impacted by VHD availability recovered.
08:30 AM
Ongoing mitigation of additionally impacted services.
01:00 PM
Mitigation to most affected services confirmed.
07:30 PM
Incident mitigation confirmed and declared.