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Exchange Online mailboxes unavailable

August 21, 2025 at 5:04 AM UTC

Microsoft

Resolved after 1h 3m August 21, 2025 at 6:07 AM UTC

Issue Resolved | 03:07am Central - Microsoft reports that the issue is now resolved. The Atelic Technology Services Department appreciates your patience and understanding while working through this service outage. If the issue is still occurring, please contact the Technology Services Department. This will be the last update unless the issue recurs.

Vendor Investigating | 02:26am Central - Microsoft continues to investigate the issue. Microsoft reports that users are unable to access their Exchange Online mailboxes through all connection methods. The Atelic Technology Services Department has not been able to validate this report but are monitoring further updates from Microsoft. End user disruption may occur for this issue.

Report Received | 02:04am Central - We are investigating a potential issue that might affect the uptime of one of our services. Microsoft reports that users are unable to access their Exchange Online mailboxes through all connection methods. The Atelic Technology Services Department has not been able to validate this report and are monitoring further updates from Microsoft. End user disruption may occur for this issue.

Last updated: September 7, 2025 at 6:22 PM UTC