Some users may be unable to access or experienced degraded performance when using Microsoft OneDrive

Title: Some users may be unable to access or experienced degraded performance when using Microsoft OneDrive User impact: Users may have been unable to access or experienced degraded performance when using OneDrive. Final status: While we were in the process of analyzing the portion of networking infrastructure responsible for facilitating OneDrive access, system monitoring indicated that the service had returned to normal health. We've confirmed that the issue is no longer occurring and we'll continue to monitor the service to ensure that the problem doesn't happen again. Scope of impact: Some users located in North America, South America, India and UAE that attempted to access or use OneDrive may have been impacted. Start time: Friday, June 26, 2026, at 12:53 PM UTC End time: Friday, June 26, 2026, at 1:06 PM UTC This is the final update for the event.

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