We've confirmed that all systems are back to normal with no customer impact as of 4/21, 11:35 UTC. Our logs show the incident started on 4/21, 11:15 UTC and that during the 20 minutes that it took to resolve the issue some customers may have experienced data latency, data gaps and incorrect alert activation issue in South Africa North, West Europe, North Europe, East Asia, France Central, South Central US regions.
Root Cause: The failure was due to an issue in one of our dependent services.
Incident Timeline: 20 minutes - 4/21, 11:15 UTC through 4/21, 11:35 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.