We've confirmed that all systems are back to normal with no customer impact as of 4/03, 12:15 UTC. Our logs show the incident started on 4/03, 09:20 UTC and that during the 2 hours & 55 minutes that it took to resolve the issue some customers may experience data access issue and delayed or missed alerts in East US 2 region.
Root Cause: The failure was due to issues with one of our dependent service.
Incident Timeline: 2 Hours & 55 minutes - 4/03, 09:20 UTC through 4/03, 12:15 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
Initial Update: Saturday, 03 April 2021 10:12 UTC
We are aware of issues within Log Analytics and are actively investigating. Some customers may experience data access issue and delayed or missed alerts in East US 2 region.
Work Around: None
Next Update: Before 04/03 16:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Harshita