Microsoft's Outlook service experienced a global disruption, restricting user access for 19 hours. The incident was acknowledged on X by Microsoft 365 Status and was identified as EX1112414. Some users also faced issues with Microsoft Teams, tracked as TM1112332. Microsoft confirmed investigation into the incident, leading to service restoration. The Service Health Status report noted a configuration change that saturated infrastructure, though the root cause remains unconfirmed. Disruptions often indicate significant problems within Microsoft's cloud infrastructure, including potential issues with Azure Active Directory and misconfigured changes.
According to the Microsoft Service Health Status report, the configuration change has fully saturated all affected infrastructure. "We've verified that the service is healthy by monitoring telemetry and confirming resolution with previously affected customers," the update stated.
"A multi-hour outage across Microsoft Office 365 services such as Outlook, Teams, and SharePoint typically signals a significant disruption in Microsoft's core cloud infrastructure," said Manish Rawat, Analyst, TechInsights.
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