YA24094 | Service Restored | Unable to access Yammer.com 5/28/2015 10:30 PM UTC

Final Status: Engineers temporarily disabled a Yammer component to mitigate impact.

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

Customer Impact: Customer impact appeared to be limited during this event. Engineers have identified that users connecting from the North America region were impacted by this event.

Incident Start Time: Thursday, May 28, 2015, at 10:06 PM UTC

Incident End Time: Thursday, May 28, 2015, at 10:30 PM UTC

Preliminary Root Cause: During our efforts to add additional capacity, Yammer.com experienced performance issues.

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: Review the infrastructure update process as adding additional capacity caused impact to occur during a deployment.

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


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