Final Update: Tuesday, 25 January 2022 07:17 UTC
We've confirmed that all systems are back to normal with no customer impact as of 01/25, 06:20 UTC. Our logs show the incident started on 01/25, 04:51 UTC and that during the 1 hour & 29 minutes that it took to resolve the issue Customers using Azure Monitor or Azure Sentinels in Japan East region may have experienced issues in accessing data as well as missed or delayed Log Search alerts.
- Root Cause: The issue was due to a backend dependency service failure.
- Incident Timeline: 1 Hours & 29 minutes - 01/25, 04:51 UTC through 01/25, 06:20 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.
-Sai Kumar
