YA22373 | Service Restored| Users were unable to access Yammer.com | 5/8/2015 at 7:04 PM UTC

Final Status: Engineers successfully redirected traffic to alternate capacity and performed tests to validate service restoration.

User Experience: The affected users were unable to access Yammer.com

Customer Impact: For the affected customers, Yammer.com failed to render or an error was generated.

Incident Start Time: Friday, May 8, 2015, at 6:27 PM UTC

Incident End Time: Friday, May 8, 2015, at 7:04 PM UTC

Preliminary Root Cause: A network configuration issue caused a portion of the Yammer 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 reoccurrences.

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

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