Final Update: Monday, 23 May 2022 16:19 UTC
We've confirmed that all systems are back to normal with no customer impact as of 5/23, 15:50 UTC. Our logs show the incident started on 5/23, 09:22 UTC and that during the 6.5 hours that it took to resolve the issue some customers in the North Europe region may have experienced delayed or missed alerts.
- Root Cause: The failure was due to a subset of backend service nodes becoming unavailable.
- Incident Timeline: 6 Hours & 28 minutes - 5/23, 09:22 UTC through 5/23, 15:50 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.
-Jack Cantwell