A significant outage at Microsoft has disrupted Microsoft 365 services, affecting users globally on November 25, 2024. The issues primarily impacted Teams, Outlook, and Exchange emails, with Microsoft reporting a spike in outage complaints starting around 8 AM ET.
- Microsoft 365 outage affects global users
- Downdector reports 4,350 complaints
- Microsoft identifies and reverts recent change
- Fix deployed to 98% of affected environments
- Previous outage linked to CrowdStrike update
- Details of the change remain undisclosed
The outage began early in the morning, with Downdetector reporting over 4,350 complaints, primarily related to Exchange services. Microsoft has been actively updating users on X, formerly Twitter, stating that they have identified a recent change that may have triggered the outage. The company is currently reverting this change and has initiated manual restarts on some affected machines.
By noon ET, Microsoft announced that the fix had been deployed to approximately 98% of the impacted environments. This incident follows a previous outage in July 2024, which was caused by a corrupted update from cybersecurity firm CrowdStrike that affected various sectors worldwide, including banking and healthcare. The earlier incident also required manual reboots to restore services.
Despite the ongoing efforts to resolve the current outage, Microsoft has not disclosed specific details regarding the nature of the identified change that led to these issues. The company continues to monitor the situation and provide updates to users as they work towards full restoration of services.
This outage highlights the ongoing challenges that can arise from software updates and changes. As Microsoft strives to address the situation, users are encouraged to stay informed through official channels for the latest updates on service restoration.