Experiencing Data Access Issue in Azure portal for Log Analytics - 04/21 - Resolved

[Azure-Monitor-Team]

Final Update: Wednesday, 21 April 2021 16:26 UTC

We've confirmed that all systems are back to normal with no customer impact as of 04/21, 15:35 UTC. Our logs show the incident started on 04/21, 8:00 UTC and that during the 7 hours and 35 minutes that it took to resolve the issue some of the customers might have experienced intermittent data access issue and delayed or missed Log Search Alerts.

• Root Cause: The failure was due to an issue in one of our backend services.
• Incident Timeline: 7 Hours & 35 minutes - 04/21, 8:00 UTC through 04/21, 15:35 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, 21 April 2021 12:24 UTC

We continue to investigate issues within Log Analytics. Root cause is not fully understood at this time. Some customers may continue to experience data access issue and delayed or missed Log Search Alerts.

• Work Around: None
• Next Update: Before 04/21 16:30 UTC

-Soumyajeet

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Initial Update: Wednesday, 21 April 2021 08:14 UTC

We are aware of issues within Log Analytics and are actively investigating. Some customers may experience data access issue and delayed or missed Log Search Alerts in West Europe region.

• Work Around: None
• Next Update: Before 04/21 11:30 UTC

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

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