← Go back to Atelic TSD Status

Exchange Online mailboxes unavailable

March 1, 2026 at 10:11 AM UTC

Microsoft

Resolved after 2h 31m March 1, 2026 at 12:42 PM UTC

Issue Resolved | 06:42am 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 | 04:48pm Central - Microsoft continues to investigate the issue and is currently reviewing service telemetry data to help identify the root cause. Microsoft reports that some users may be intermittently unable to access their Exchange Online mailboxes using any connection method. 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 | 04:11am Central - We are investigating a potential issue that might affect the uptime of one of our services. Microsoft reports that some users may be intermittently unable to access their Exchange Online mailboxes using any connection method. 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.

Last updated: March 23, 2026 at 9:55 PM UTC