Final Status: Engineers successfully deployed a fix to mitigate impact.
User Impact: Affected users were experiencing delays when trying to message other users on Yammer.com. Affected users had to restart their browsers in order to receive the messages.
Scope of Impact: Many customers likely had users experiencing impact related to this event.No customer reports of the issue were identified during this event.
Incident Start Time: Tuesday, April 19, 2016, at 6:00 PM UTC
Incident End Time: Tuesday, April 19, 2016, at 8:30 PM UTC
Preliminary Root Cause: Engineers have determined that a recent update caused impact to the systems that facilitate Yammer.com messaging.
– Review the infrastructure update process to prevent reoccurrences of this scenario.
Please consider this service notification the final update on the event.