Final Status: Engineers added additional capacity to facilitate load balancing and re-routed traffic to the added infrastructure to mitigate impact.
User Experience: Affected users may have been unable to access Yammer.com or may have experienced slowness when using the service.
Customer Impact: Analysis indicates that the scope of customers who experienced impact appeared to be very limited with only a few customers reporting the issue.
Incident Start Time: Tuesday, September 15, 2015, at 3:17 PM UTC
Incident End Time: Tuesday, September 15, 2015, at 4:24 PM UTC
Preliminary Root Cause: A networking issue occurred in a specific datacenter, however, 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.