Information Technology Services

Microsoft Office 365 Email Access Issues

Outage category: Applications

Location: All Campuses

Status: Open

Resolved Alert:

Initial Symptoms

Users experienced problems accessing their email using OWA (Outlook on the Web) and received 500 error messages.

Root Cause Analysis

Cause

A service update intended to improve the user interface inadvertently contained a code issue that prevented some users from accessing their mailbox via Outlook on the web.

Resolution

Roll back/correct service update

Prevention

Additional monitoring and alerting systems for specific requests from Outlook on the web to the UX service, to identify issues quickly so that preventative actions can be taken sooner.