Final Status: Engineers identified an issue in which affected users were unable to post messages to Yammer. Users were able to consume existing Yammer content as expected during this event. The investigation determined that a faulty query had caused some message databases to become unresponsive. Engineers eliminated the query in question to remediate impact.
User Impact: Affected users may have been unable to post messages to Yammer.
Scope of Impact: Many customers appeared to be impacted by this event. No customer reports of the issue were identified during this event.
Incident Start Time: Tuesday, March 15, 2016, at 7:28 PM UTC
Incident End Time: Tuesday, March 15, 2016, at 7:38 PM UTC
Preliminary Root Cause: Due to recent maintenance, a faulty query had caused some message databases to become unresponsive, which caused a failure in message posting.
– Analyze performance data and trends on the affected systems to help prevent this problem from happening again.
Please consider this service notification the final update on the event.