Mac Mail & iCal, down for some users
Incident
Report for Ohio University
Resolved
4/11/16, 3:25 pm: Service restored. Follow up from Microsoft:
*Exchange Online Incident EX44931*
*Final Status:* The deployment of the fix is complete and engineers have confirmed service restoration.
*User Impact:* Affected users were unable to synchronize their Exchange Online calendars when connecting via EWS (Exchange Web Services). This issue only affected calendar synchronization between Exchange Online and the email app on Mac OS X.
*Scope of Impact:* Many customers likely had users experiencing impact related to this event. Some customers reported that their organization was affected by this issue.
*Incident Start Time:* Tuesday, March 29, 2016, at 10:47 PM UTC
*Incident End Time:* Monday, April 11, 2016, at 6:00 PM UTC
*Preliminary Root Cause:* A recent update was deployed that caused a configuration issue affecting calendar synchronization via EWS.
*Next Steps:* Review procedures for validating service updates as the configuration issue was not identified during the testing phase of the development process. A post-incident report will be available on the Service Health Dashboard within five business days.
AFFECTED SERVICES
Mac Mail & iCal
IMPACT
Down for some users
ADDITIONAL DETAILS
Microsoft has identified an issue on their end that is affecting calendar synchronization for some Mac iCal users. They will be rolling out a fix in the next few days. It's unclear if this fix will also resolve similar sync problems with Mac Mail. Outlook and OWA are not affected by this issue.
Periodic updates will be posted until service has been restored.
*Exchange Online Incident EX44931*
*Final Status:* The deployment of the fix is complete and engineers have confirmed service restoration.
*User Impact:* Affected users were unable to synchronize their Exchange Online calendars when connecting via EWS (Exchange Web Services). This issue only affected calendar synchronization between Exchange Online and the email app on Mac OS X.
*Scope of Impact:* Many customers likely had users experiencing impact related to this event. Some customers reported that their organization was affected by this issue.
*Incident Start Time:* Tuesday, March 29, 2016, at 10:47 PM UTC
*Incident End Time:* Monday, April 11, 2016, at 6:00 PM UTC
*Preliminary Root Cause:* A recent update was deployed that caused a configuration issue affecting calendar synchronization via EWS.
*Next Steps:* Review procedures for validating service updates as the configuration issue was not identified during the testing phase of the development process. A post-incident report will be available on the Service Health Dashboard within five business days.
AFFECTED SERVICES
Mac Mail & iCal
IMPACT
Down for some users
ADDITIONAL DETAILS
Microsoft has identified an issue on their end that is affecting calendar synchronization for some Mac iCal users. They will be rolling out a fix in the next few days. It's unclear if this fix will also resolve similar sync problems with Mac Mail. Outlook and OWA are not affected by this issue.
Periodic updates will be posted until service has been restored.
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