Experiencing Data Access Issue in Azure portal for Log Analytics – 12/01 – Resolved

This post has been republished via RSS; it originally appeared at: Microsoft Tech Community - Latest Blogs - .

Final Update: Wednesday, 01 December 2021 11:20 UTC

We've confirmed that all systems are back to normal with no customer impact as of 12/01, 09:30 UTC. Our logs show the incident started on 12/01, 09:15 UTC and that during the 15 minutes that it took to resolve the issue some customers using Azure Log Analytics and/or Sentinel in South east Asia may have experienced intermittent query failures and delayed or missed alerts .
  • Root Cause: The failure was due to an issue in one of our dependent services.
  • Incident Timeline: 15 minutes - 12/01, 09:15 UTC through 12/01, 09:30 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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