Experiencing Data Access Issue in Azure portal for Log Analytics – 02/27 – Resolved

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Final Update: Thursday, 27 February 2020 11:35 UTC

We've confirmed that all systems are back to normal with no customer impact as of 02/27, 10:00 UTC. Our logs show the incident started on 02/27, 08:57 UTC and that during the 1 hour 03 minutes that it took to resolve the issue some customers in Central US region might have experienced data access issue and failures when queried through API.
  • Root Cause: The failure was due to an issue with one of our dependent service.
  • Incident Timeline: 01 Hours & 03 minutes - 02/27, 08:57 UTC through 02/27, 10:00 UTC
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.


Initial Update: Thursday, 27 February 2020 10:08 UTC

We are aware of issues within Log Analytics and are actively investigating. Some customers in Central US may experience data access issue and failures when query through API.
  • Work Around: none
  • Next Update: Before 02/27 12:08 UTC
We are working hard to resolve this issue and apologize for any inconvenience.

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