Final Status: During investigation, engineers discovered that customers were experiencing LCS sign-in issues. Microsoft engineers followed documented procedures and were able to restore service for impacted customers at 7:08 PM UTC. The root cause of this incident is currently under investigation.
Customer Impact: No known customer escalations.
Incident Start Time: Thursday, December 10, 2015, 6:48 PM UTC
Incident End Time: Thursday, December 10, 2015, 7:08 PM UTC