Final Update: Thursday, 04 February 2021 14:16 UTC
We've confirmed that all systems are back to normal with no customer impact as of 02/04, 14:06 UTC. Our logs show the incident started on 02/04, 11:00 UTC and that during the 3 hours and 6 minutes that it took to resolve the issue some customers may have experienced data latency and incorrect alert activation in West Europe region.
Root Cause: The failure was due to issue with one of our dependent service.
Incident Timeline: 3 Hours & 6 minutes - 02/04, 11:00 UTC through 02/04, 14:06 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
Initial Update: Thursday, 04 February 2021 13:14 UTC
We are aware of issues within Log Analytics and are actively investigating. Some customers may experience data latency and incorrect alert activation in West Europe region
Work Around: None
Next Update: Before 02/04 17:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Mohini