Final Update: Wednesday, 13 November 2019 16:10 UTC
We've confirmed that all systems are back to normal with no customer impact as of 11/13, 11:25 UTC. Our logs show the incident started on 11/13, 10:10 UTC and that during the 1 hour and 15 minutes that it took to resolve the issue customers in West Europe region might have experienced Alerting failure or Data Latency issue.
Root Cause: The failure was due to failure in one of out dependent services.
Incident Timeline: 1 Hour & 15 minutes - 11/13, 10:10 UTC through 11/13, 11:15 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
Initial Update: Wednesday, 13 November 2019 11:27 UTC
We are aware of issues within Log Analytics and are actively investigating. Some customers may experience Data Access issues while accessing Log Analytics in azure portal.
Work Around: None
Next Update: Before 11/13 13:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Anusha