Saturday, November 13, 2021

Experiencing Data Access Issue in Azure portal for Log Analytics - 11/13 - Resolved

Final Update: Saturday, 13 November 2021 05:32 UTC

We've confirmed that all systems are back to normal with no customer impact as of 11/13, 05:05 UTC. Our logs show the incident started on 11/13, 04:45 UTC and that during the 20 minutes that it took to resolve the issue. Customers using Azure Log Analytics and/or Sentinel in East US may have experienced intermittent query failures and delayed or missed alerts.
  • Root Cause: The failure was due to dependent service failure.
  • Incident Timeline: 20 minutes - 11/13, 04:45 UTC through 11/13, 05:05 UTC.
We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.


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