Experiencing Data Access Issue in Azure portal for Log Analytics - 05/13 - Resolved

[Azure-Monitor-Team]

Final Update: Wednesday, 13 May 2020 20:10 UTC

We've confirmed that all systems are back to normal with no customer impact as of 05/13, 20:00 UTC. Our logs show the incident started on 05/12, 16:30 UTC and that during the 27 hours & 30 minutes that it took to resolve the issue some of the customers might have experienced data access issues while attempting to use saved searches.

• Root Cause: The failure was due to an issue in one of our back-end services.
• Incident Timeline: 27 Hours & 30 minutes - 05/12, 16:30 UTC through 05/13, 20:00 UTC

We understand that customers rely on Azure Log Analytics as a critical service and apologize for any impact this incident caused.

-Saika

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Update: Wednesday, 13 May 2020 18:08 UTC

Root cause has been isolated to access data using saved searches which was impacting Log Analytics. To address this issue we fixed our back-end services. Data Access is now working as expected. Some of the customers may experience the data access issues and we estimate ~3 hours before all the impact is addressed.

• Work Around: None
• Next Update: Before 05/13 21:30 UTC

-Saika

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Initial Update: Wednesday, 13 May 2020 12:29 UTC

We are aware of issues with Log Analytics saved searches and are actively investigating. Some customers may experience issues accessing data using saved searches.

• Work Around: None
• Next Update: Before 05/13 18:30 UTC

We are working hard to resolve this issue and apologize for any inconvenience.

-Santhosh

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[ssrirama]

Hello, what Azure regions were impacted by this issue? Please always list out the regions so customers can assess the blast radius quickly. Thanks!