YA34110 | Service Restored | Affected users may have been unable access the Yammer service. | 11/11/2015 2:58 PM UTC

Final Status: Engineers identified that a portion of the Yammer infrastructure was experiencing a connectivity issue, resulting in impact to the Yammer service. By design, an automated service recovery feature took action to successfully mitigate the connectivity problem and restore service.

User Impact: The affected users may have been unable to access the Yammer service.

Customer Impact: Analysis of incident scope indicated that many customers appeared to be impacted by this event. For those customers affected, this issue potentially affected any user attempting to access the Yammer service. No customer reports of the issue were identified during this event.

Incident Start Time: Wednesday, November 11, 2015, at 2:54 PM UTC

Incident End Time: Wednesday, November 11, 2015, at 2:58 PM UTC

Preliminary Root Cause: A degraded network device caused a connectivity issue within the capacity that facilitates Yammer functionality, resulting in service impact.

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: Further investigate the underlying cause of the issue, and implement a solution to ensure the problem doesn’t reoccur.

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

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