Final Update: Saturday, 21 September 2019 12:35 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/21, 10:36 UTC. Our logs show the incident started on 09/21, 10:08 UTC and that during the 28 minutes that it took to resolve the issue some customers using non-retrying SDK's in SouthEast Asia region could have experienced data gaps while accessing their data.
Root Cause: The failure was due to an issue in one of our services responsible for ingesting data.
Incident Timeline: 28 minutes - 09/21, 10:08 UTC through 09/21, 10:36 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.