Final Update: Thursday, 12 December 2019 08:57 UTC
We've confirmed that all systems are back to normal with no customer impact as of 12/12, 08:30 UTC. Our logs show the incident started on 12/12, 07:55 UTC and that during the 35 minutes that it took to resolve the issue 39% of customers in South East Australia Region experienced data access issue in the azure portal and queries from API may have failed.
Root Cause: The failure was due to an issue with one of our dependent service.
Incident Timeline: 35 minutes - 12/12, 07:55 UTC through 12/12, 08:30 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.