Title: Users are unable to access Microsoft 365 services in South America User impact: Some users are unable to access Microsoft 365 services. More info: Users may experience email delivery delays. intermittent connection disruptions, and encounter service unavailability (503) errors when connecting to Outlook and Teams. Additionally, users may be unable to access SharePoint sites and OneDrive content. Current status: While the service remains stable for the majority of users, we’re taking steps to further manage traffic and reduce demand on portions of the service that are experiencing high load. By optimizing how data is processed, we’re working to stabilize performance across the environment. Scope of impact: Some users in South America attempting to access Microsoft 365 services may be impacted. Start time: Wednesday, May 13, 2026, at 1:30 PM UTC Preliminary root cause: Intermittent network connectivity issues are causing certain network paths to become unstable, resulting in increased traffic being routed through alternate paths and leading to impact. Next update by: Wednesday, May 13, 2026, at 7:30 PM UTC
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The cause of the issue within Atrieve has been identified. We have identified that the issue is related to a regional internet service provider. Our team is actively monitoring the situation, and we will provide further updates as more information becomes available.
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We continue to work on a fix for Web Mail issue and will provide updates as soon as there is more information to share. We appreciate your patience as we work to resolve this issue.
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Monitors
Users are unable to access Microsoft 365 services in South America
Microsoft Teams
Atrieve - unable to log in and experiencing performance issues
Schoology
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