On April 26, 2024, Microsoft experienced a significant outage affecting Microsoft 365 services, including Teams and Exchange Online. This disruption prevented users worldwide from accessing critical collaboration and communication tools, impacting business operations and productivity. The outage was traced back to an internal service issue that Microsoft quickly identified and worked to resolve. Users reported difficulties logging into Teams, sending or receiving emails via Exchange Online, and accessing other Microsoft 365 applications. Microsoft acknowledged the problem via their service health dashboard and social media channels, providing regular updates as engineers worked on restoring full functionality. This incident highlights the importance of robust cloud service infrastructure and the potential widespread impact of outages in essential SaaS platforms. Organizations relying heavily on Microsoft 365 services are reminded to have contingency plans for communication and collaboration during such disruptions. The outage lasted several hours before services were fully restored, with Microsoft committing to a post-incident review to prevent future occurrences. This event underscores the critical nature of cloud service reliability and the need for continuous monitoring and rapid response capabilities in enterprise environments.
This Cyber News was published on www.bleepingcomputer.com. Publication date: Wed, 08 Oct 2025 18:35:31 +0000