YA24016 | Service Restored| Unable to connect to Yammer | 5/27/2015 2:03 PM UTC

Final Status: After correcting a configuration issue on a limited portion of Yammer networking infrastructure, engineers performed tests and validated that impact was successfully mitigated.

User Experience: Affected users may have been unable to connect to Yammer.

Customer Impact: Customers were reporting that they were experiencing this issue.

Incident Start Time: Wednesday, May 27, 2015, at 12:00 PM UTC

Incident End Time: Wednesday, May 27, 2015, at 2:03 PM UTC

Preliminary Root Cause: A configuration issue caused a portion of the networking infrastructure that facilitates access to Yammer.com to become degraded. The underlying cause of the issue remains 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: Further investigate the underlying cause of the issue and implement a solution to prevent future occurrences.

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

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