Service Restoration | YA35860 | Users were unable to upload and play videos on | 12/18/2015 6:41 PM UTC

Final Status: Engineers determined that a recent update prevented the Yammer service from processing video requests. Engineers corrected the code issue that was inadvertently introduced in the update to resolve the issue.

User Impact: Affected users may have received an error and were unable to upload and play videos on

Customer Impact: Analysis of incident scope indicated that a very limited number of customers and users appeared to have been impacted. Engineers received a few isolated customer reports of this issue.

Incident Start Time: Thursday, December 17, 2015, at 10:00 AM UTC

Incident End Time: Friday, December 18, 2015, 3:13 AM UTC

Preliminary Root Cause: A recent update to the infrastructure that facilitates uploading of videos inadvertently introduced a code issue, which caused impact to the Yammer service.

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 procedures for validating service updates as this issue was not identified during the testing phase of the development process.

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

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