Final Update: Wednesday, 10 February 2021 02:48 UTC
We've confirmed that all systems are back to normal with no customer impact as of 02/10, 02:00 AM UTC. Our logs show the incident started on 02/10, 01:30 AM UTC and that during the ~ 30 minutes that it took to resolve the issue a small set of customers experienced issues with data access for Log Analytics workspaces in West US2 Region.
Root Cause: The failure was due to due to issues in one of the backend services.
Incident Timeline: 30 minutes - 02/10, 01:30 AM UTC through 02/10, 02:00 AM 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, 10 February 2021 01:58 UTC
We are aware of issues within Log Analytics and are actively investigating. Some customers may experience data access issues for Log Analytics Workspaces in West US2 Region.
Next Update: Before 02/10 06:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience. -Jayadev