India, Nov. 13 -- A severe global technology disruption struck Microsoft 365 infrastructure, locking hundreds of thousands of users out of core productivity platforms, most notably Outlook, Exchange Online, Teams*, and SharePoint. The unexpected failure rippled across international business operations, government bodies, and educational institutions, prompting immediate investigations into backend cloud routing.

Downdetector metrics logged a massive surge of tens of thousands of user incident reports as connections began timing out globally. According to engineering telemetry shared via the official Microsoft 365 status channels, the incident was traced to a backend configuration issue that caused a critical loop.

What led to the Micros...