ThousandEyes actively monitors the reachability and performance of thousands of services and networks across the global Internet, which we use to analyze outages and other incidents. The following analysis of the Microsoft outage on September 12, 2024, is based on our extensive monitoring, as well as ThousandEyes’ global outage detection service, Internet Insights. See how the outage unfolded in this analysis—more updates will be added as we have them.
Outage Analysis
Starting at approximately 11:40 UTC on September 12, ThousandEyes observed issues for some users attempting to reach Microsoft services, such as Microsoft 365. Significant network packet loss, as well as connection timeouts, were observed within Microsoft’s network during the incident. The issues appeared to be limited to a subset of users connecting to Microsoft’s network via AT&T. The incident was resolved by approximately 13:20 UTC.
