YA34779 | Service Restored | Affected users [are/may be] unable to sign in to Yammer. | 12/3/2015 02:23 PM UTC

Final Status: The investigation determined that a configuration issue caused a portion of the authentication infrastructure to become degraded. Engineers updated the configuration to connect the service to an alternate, healthy infrastructure, which mitigated impact.

User Impact: Affected users may have been unable to sign in to Yammer.

Customer Impact: Analysis of incident scope indicated that many customers likely had users experiencing impact related to this event. Multiple customers reported this issue.

Incident Start Time: Thursday, December 3, 2015, at 9:50 AM UTC

Incident End Time: Thursday, December 3, 2015, at 1:00 PM UTC

Preliminary Root Cause: The investigation determined that a configuration issue caused a portion of the authentication infrastructure to become degraded. The underlying root 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.

This entry was posted in Uncategorized. Bookmark the permalink.