YA21209 | Service Restored | Emails to Yammer groups delayed | 4/16/2015 06:49 AM UTC

Final Status: Engineers determined that processes intended for alleviating message queues were failing. The amount of memory available to the processes was increased and restarted, which restored service health.

User Experience: Affected users may have experienced delays sending emails to Yammer groups.

Customer Impact: Customer impact appears to have been limited during this event.

Incident Start Time: Thursday, April 16, 2015, at 5:55 AM UTC

Incident End Time: Thursday, April 16, 2015, at 6:30 AM UTC

Preliminary Root Cause: Processes intended to alleviate message queues did not have a sufficient amount of memory allocated. The underlying cause is under investigation.

Next Steps: The following is a list of known action item(s) associated with this incident. As part of the Office 365 problem management process, additional engineering actions may be identified to improve the overall service.
– Action: Identify the underlying root cause and develop a solution to prevent reoccurrences.

Please consider this service notification the final update on the event.

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