RESOLVED: Email Service Disruption – Users Unable to Access Mailboxes

Thursday, July 10th, 2025

Posted in Uncategorized

Incident Discovery Time: 06:20pm on 07/09/2025 Time of Resolution: 01:25pm on 07/10/2025 Services Impacted: Email & Calendaring

Description of Impact

A) Impact Statement:
    Users may be unable to access their mailboxes using any connection method. This is affecting multiple platforms and connection types across the University email infrastructure.
B) Affected Services:
    Impacted connection methods include, but may not be limited to:
    – Outlook.com web interface
    – Outlook Mobile applications
    – Outlook desktop client
    – Other email client connections

Incident Description and Resolution

Microsoft has pushed a configuration change and confirmed the incident is resolved and the service is healthy. If you continue to have issues, please contact the IT Help Center.

Previous Update

Incident Discovery Time: 06:20pm on 07/9/2025 Services Impacted: Email & Calendaring

Description of Impact

A) Impact Statement:
    Users may be unable to access their mailboxes using any connection method. This is affecting multiple platforms and connection types across the University email infrastructure.
B) Affected Services:
    Impacted connection methods include, but may not be limited to:
    – Outlook.com web interface
    – Outlook Mobile applications
    – Outlook desktop client
    – Other email client connections

Current Status

IS&T teams have identified the cause of the incident and are investigating with the vendor. Next Update: 04:30pm