Final Status: Engineers corrected a recent service update and then deployed the fix across the affected environment to mitigate impact.
User Experience: Affected users were unable to select or search for Yammer groups.
Customer Impact: Customer impact appears to be limited at this time.
Incident Start Time: Wednesday, May 13, 2015, at 4:25 PM UTC
Incident End Time: Wednesday, May 13, 2015, at 4:37 PM UTC
Preliminary Root Cause: As part of our efforts to improve user experiences, an update was deployed to the affected infrastructure; however, the update caused a code issue.
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 a recent service update caused impact to occur during a deployment.
Please consider this service notification the final update on the event.