Final Update: Saturday, 04 April 2020 03:38 UTC
We've confirmed that all systems are back to normal with no customer impact as of 04/04, 03:05 UTC. Our logs show the incident started on 04/04, 02:25 UTC and that during the 40 minutes that it took to resolve the issue some customers
in South UK Region experienced issues with query failures and failed alerting.
- Root Cause: The failure was due to issues with one of the backend services.
- Incident Timeline: 40 minutes - 04/04, 02:25 UTC through 04/04, 03:05 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Jayadev