IMAP access to Catmail, degraded performance
Incident Report for Ohio University
Resolved
Friday, 1/22/16, 12:15 pm

AFFECTED SERVICES

IMAP access to Catmail

IMPACT

Degraded performance for some users

Microsoft currently is working on fixing this issue. Status update from Microsoft:

Incident EX41924*
*Affected product:* Office 365 Exchange Online [Catmail]
*Current state:* Restoring service

*Current Status:* Engineers completed the development phase of the fix. Subsequently, engineers tested the fix and confirmed that it restores service. Engineers are now deploying the fix to the affected environment.

*User Impact:* Affected users are unable to receive email messages when accessing Exchange Online through Internet Message Access Protocol (IMAP). As a workaround, users may be able to access email via Outlook on the web. [Catmail: https://catmail.ohio.edu ]

*Customer Impact:* Analysis of incident scope indicates that a limited number of customers appear to be impacted by this event. However, those customers affected likely have a large number of users experiencing impact. Engineers have received a few isolated customer reports of this issue.

*Incident Start Time:* Monday, January 18, 2016, at 12:00 AM UTC

*Estimated Restoration Time:* By Saturday, January 23, 2016, at 2:00 AM UTC

*Preliminary Root Cause:* As part of our efforts to improve service performance, an update was deployed to a subset of code which is responsible for obtaining the subscribed folder list. However, the update caused a code issue that prevented the list from being automatically loaded.

*Next Update by:* Saturday, January 23, 2016, at 2:00 AM UTC
Posted Jan 22, 2016 - 11:00 EST