Maintenance mistake caused immediate issues and took out 27 services and Azure users who use resources in Microsofts West US region endured an uncomfortable day after the tech giant cut off access to its Californian cloud outpost. As Microsoft explains in its preliminary post incident review , at 14:44 UTC on July 23 07:44 AM Pacific Time, the company started “routine device maintenance.” “Multiple Azure services began to detect and correlate service degradation,” Microsofts review reads.
