Final Update: Wednesday, 26 September 2018 13:37 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/26, 12:30 UTC. Our logs show the incident started on 09/26, 09:45 UTC and that during the 2 hours 45 minutes that it took to resolve the issue customers whose data is residing in Southeast Asia region would have experienced data loss during the impacted window in azure portal .
Root Cause: The failure was due to network connectivity issue with our backend services.
Incident Timeline: 2 Hours & 45 minutes - 09/26, 09:45 UTC through 09/26, 12:30 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.