Final Update: Thursday, 30 June 2022 15:23 UTC
We've confirmed that all systems are back to normal with no customer impact as of 06/30, 12:20 UTC. Our logs show the incident started on 06/30, 11:25 UTC and that during the 55 minutes that it took to resolve the issue some of the customers using Log analytics and Azure Sentinel in East US region may have experienced data access issue and delayed or missed alerts.
- Root Cause: The failure was due to one of the backend dependent service becoming unhealthy.
- Incident Timeline: 55 minutes - 06/30, 11:25 UTC through 06/30, 12:20 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Soumyajeet
