Microsoft 365 outage drags on, but things are improving
Microsoft is working to resolve a multi-day outage affecting Outlook and several other 365 services due to a core authentication configuration error. While the company reports gradual recovery, some services remain degraded as they enter a period of extended monitoring.
Why it matters
As businesses rely heavily on cloud infrastructure, widespread outages in core productivity suites like Microsoft 365 can cause significant operational disruptions globally.
Microsoft’s efforts to fix what is now a multi-day outage affecting customers’ access to Outlook email and other Microsoft 365 services are entering day two.
The company made significant progress in addressing the problem on Monday, after an issue impacting its Exchange Online service led to email delays and failures, authentication issues, and other problems for some Outlook users.
But as of Tuesday, the issues still are not fully resolved. Instead, Microsoft’s latest update shared on X says its “mitigation actions are continuing to progress,” which isn’t exactly the same as saying “all is well.”
Our mitigation actions are continuing to progress within the remaining affected infrastructure. Indications from telemetry remain positive, and we've confirmed service availability is improving. We're entering a period of extended monitoring to ensure a full resolution is…
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