Microsoft Groups customers worldwide skilled vital service disruptions on December 20, 2025, because the collaboration platform encountered widespread points affecting messaging performance and different important service operations.
The corporate has acknowledged the incident and is actively investigating the foundation trigger.
Based on Microsoft 365 Standing updates, customers reported experiencing delays in message supply and issues accessing varied Groups options.
The outage, tracked below incident quantity TM1200517 within the admin middle, impacted organizations counting on the platform for enterprise communications and collaboration.
Microsoft’s engineering groups reported observing restoration indicators of their telemetry methods whereas persevering with their complete evaluation to establish all affected eventualities.
The corporate said they’re working to find out the exact explanation for the disruption and implement a everlasting answer.
The incident highlights the important dependency organizations have on cloud-based communication platforms.
Microsoft Groups serves hundreds of thousands of customers globally as a major device for office messaging, video conferencing, file sharing, and staff collaboration. Any service interruption can considerably impression enterprise operations and productiveness.
Whereas Microsoft indicated that restoration was underway, the corporate didn’t present particular timelines for full service restoration.
Customers experiencing points have been suggested to watch the admin middle for real-time updates and extra details about the incident decision.
This outage provides to a collection of service disruptions affecting main cloud platforms in latest months, underscoring the significance of getting backup communication channels and contingency plans.
Organizations are inspired to implement redundant communication methods to reduce the impression of such incidents.
Microsoft usually gives detailed post-incident experiences as soon as service is absolutely restored, outlining the foundation trigger, impression scope, and measures taken to forestall future occurrences.
Customers can entry official updates by the Microsoft 365 Standing Twitter account and the admin middle portal.
As companies more and more depend on cloud-based collaboration instruments, service availability and reliability stay important components for enterprise adoption and operational continuity.
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