We've confirmed that all systems are back to normal with no customer impact as of 03/05, 10:21 UTC. Our logs show the incident started on 03/05, 06:27 UTC and that during the 3 Hours & 54 minutes hours that it took to resolve the issue some customer may have experienced intermittent data latency, data access and missed or delayed alerts in WestUS2 region.
Root Cause: The failure was due to issue with one of our backend service.
Incident Timeline: 3 Hours & 54 minutes - 03/05, 06:27 UTC through 03/05, 10:21 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
Initial Update: Friday, 05 March 2021 07:11 UTC
We are aware of issues within Log Analytics and are actively investigating. Some customers may experience Data access issues and missed or delayed alerts in WestUS2 region.
Work Around: None
Next Update: Before 03/05 11:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Vyom