Outage in Microsoft 365
Some users may be unable to access or experienced degraded performance when using Microsoft OneDrive
Resolved Minor
June 26, 2026 - Started 23 days ago
- Lasted about 1 hour
Incident Report
Summary AI Generated
Microsoft OneDrive experienced an outage on June 26, 2026, from 12:53 PM UTC lasting approximately 13 minutes, during which users were unable to access the service or experienced degraded performance. The impact was global but most severe in North America, South America, India, and the UAE, with a significant drop in service requests confirmed by telemetry. Service restored to normal levels by 1:06 PM UTC, with users confirming recovery, while Microsoft continues investigating a suspected networking layer issue as the root cause.
Title: Some users may be unable to access or experience degraded performance when using Microsoft OneDrive
User impact: Users may be unable to access or experience degraded performance when using OneDrive.
Current status: We've received monitoring alerts showing a significant drop in requests to the OneDrive service, which correlated with user reports of impact. Telemetry shows that the volume of requests dropped at 12:53 PM UTC and has returned to normal levels at 1:06 PM. Users are now reporting that impact has recovered. We suspect a potential issue within the networking layer, and we're investigating to isolate the source of the issue.
Scope of impact: This could have impacted any user, however, it appears that users in North America, South America, India and UAE experienced the highest levels of impact.
Start time: Friday, June 26, 2026, at 12:53 PM UTC
Next update by: Friday, June 26, 2026, at 3:30 PM UTC
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23 days ago - at 06/26/2026 02:07PM
Title: Some users may be unable to access or experience degraded performance when using Microsoft OneDrive
User impact: Users may be unable to access or experience degraded performance when using OneDrive.
Current status: We've received monitoring alerts showing a significant drop in requests to the OneDrive service, which correlated with user reports of impact. Telemetry shows that the volume of requests dropped at 12:53 PM UTC and has returned to normal levels at 1:06 PM. Users are now reporting that impact has recovered. We suspect a potential issue within the networking layer, and we're investigating to isolate the source of the issue.
Scope of impact: This could have impacted any user, however, it appears that users in North America, South America, India and UAE experienced the highest levels of impact.
Start time: Friday, June 26, 2026, at 12:53 PM UTC
Next update by: Friday, June 26, 2026, at 3:30 PM UTC
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