Final Status: Engineers determined that a network device that processes and forwards data became degraded. An automated recovery system restarted the affected device, which caused the feeds to not load. Impact was remediated after the restart completed.
User Impact: Affected users may have been unable to see recent content in Yammer feeds.
Customer Impact: Analysis of incident scope indicated that a very limited number of customers and users appeared to be impacted. No customer reports of the issue were identified during this event.
Incident Start Time: Friday, December 4, 2015, at 3:55 AM UTC
Incident End Time: Friday, December 4, 2015, at 4:35 AM UTC
Preliminary Root Cause: A network device that processes and forwards data became degraded. The underlying root 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.