Final Update: Thursday, 21 April 2022 11:53 UTC
We've confirmed that all systems are back to normal with no customer impact as of 04/21, 10:00 UTC. Our logs show the incident started on 04/21, 07:20 UTC and that during the 2 hours & 40 minutes that it took to resolve the issue. Some customers with Application Insights and Log Analytics components in West US 2 region may have experienced intermittent data access, data gaps, incorrect alert activation and missed or delayed alerts.
- Root Cause: The failure was due to one of our backend dependency.
- Incident Timeline: 2 Hours & 40 minutes - 04/21, 07:20 UTC through 04/21, 10:00 UTC
We understand that customers rely on Azure Monitor as a critical service and apologize for any impact this incident caused.
-Sai Kumar
