Microsoft Responds Swiftly to Widespread Outage
Major Microsoft 365 Outage Disrupts Workflows Globally on November 25th. Learn how Microsoft swiftly resolved the issue and restored services within hours.
A significant outage affecting multiple Microsoft 365 services, including Exchange Online, Teams, SharePoint, OneDrive, Purview, Copilot, and Outlook Web and Desktop, disrupted global workflows on Monday, November 25, 2024. The issue, which began early in the morning, impacted users worldwide.
We’re investigating an issue impacting users attempting to access Exchange Online or functionality within Microsoft Teams calendar. For more information, please refer to MO941162 in the admin center.
— Microsoft 365 Status (@MSFT365Status) November 25, 2024
While we continue to work on mitigating the issue, we’ve added a comprehensive list of impacted services and scenarios to the more info section. For more information, please refer to MO941162 in the admin center.
— Microsoft 365 Status (@MSFT365Status) November 25, 2024
We’ve identified a recent change which we believe has resulted in impact. We’ve started to revert the change and are investigating what additional actions are required to mitigate the issue. For more information, please refer to MO941162 in the admin center.
— Microsoft 365 Status (@MSFT365Status) November 25, 2024
We’ve started to deploy a fix which is currently progressing through the affected environment. While this progresses, we’re beginning manual restarts on a subset of machines that are in an unhealthy state. For more information, please refer to MO941162 in the admin center.
— Microsoft 365 Status (@MSFT365Status) November 25, 2024
Most users and core services have recovered following our mitigation efforts. We’re addressing remaining issues and still expect full restoration by Tuesday, November 26, 2024, at 3:00 AM UTC. More info: https://t.co/nEuSQarMf3 and the admin center under MO941162.
— Microsoft 365 Status (@MSFT365Status) November 26, 2024
We’ve restored functionality for all impacted services except Outlook on the web, which is still affected for a small number of users. We’re monitoring and troubleshooting to fully recover. Refer to https://t.co/nEuSQarMf3 and admin center under MO941162 for more information.
— Microsoft 365 Status (@MSFT365Status) November 26, 2024
The outage caused widespread disruption to businesses and individuals reliant on Microsoft 365 services. Many users reported difficulties accessing email, calendars, team chats, and file storage. The impact was particularly acute for organizations that heavily rely on Microsoft 365 for their daily operations.
Microsoft’s engineering teams swiftly identified the root cause of the issue, which was attributed to a recent change that had unintended consequences. The company implemented a comprehensive recovery plan, including deploying a fix and initiating manual restarts of affected systems.
Despite the initial disruption, Microsoft’s prompt response and effective resolution of the issue demonstrate the company’s commitment to service reliability. The incident highlights the importance of robust infrastructure and efficient incident response procedures in maintaining the availability of critical services.
While the outage was undoubtedly inconvenient for many users, it also provides an opportunity to learn from the experience. By analyzing the root cause and identifying areas for improvement, Microsoft can further enhance the reliability and resilience of its services.
It’s important to note that while large-scale outages can occur, the ability of technology companies to quickly address and resolve such issues is crucial in minimizing their impact. It wasn’t too far in the past where service outages such as these could take days to resolve. Microsoft’s response to this outage serves as a testament to their commitment to providing high-quality services and mitigating potential disruptions.
You can continue to monitor the progress of this situation on Microsoft’s Service Status website, or the @MSFT365Status thread.
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