Microsoft 365 Global Outage Hits 140K+ Users—Find Out Which Services Were Affected 

Microsoft 365 Global Outage

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rahul somvanshi

The Microsoft 365 global outage on September 12, 2024, disrupted essential services like Teams, Word, Excel, OneDrive, SharePoint, and Outlook.

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The outage, first reported on Downdetector, impacted around 23,000 users at its peak, with over 16,500 cases filed by 9:12 AM EDT.

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Users faced login problems and total service unavailability, with some experiencing slower performance even after a partial resolution.

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AT&T network users were heavily affected, with 3,982 reports of connectivity issues.

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Frustrated users turned to social media, highlighting significant disruptions to work and communication, with projects and message delivery delayed or halted.

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Microsoft confirmed that the issue was caused by a configuration change made by a third-party ISP. 

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The company worked closely with the ISP to resolve the issue and provided regular updates to users via social media and other platforms. 

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Microsoft pledged to review its network configuration settings and enhance collaboration with ISPs to prevent future outages.

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The outage underscores the importance of reliable cloud services and effective communication during service disruptions to maintain user trust and business continuity.

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