Experiencing Data Access Issue in Azure portal for Log Analytics - 07/19 - Resolved

[Azure-Monitor-Team]

Final Update: Friday, 19 July 2019 20:29 UTC

We've confirmed that all systems are back to normal with no customer impact as of 07/19, 18:30 UTC. Our logs show the incident started on 07/19, 16:39 UTC and that during the 1 hour 45 mins that it took to resolve the issue some customers may have experienced data access issues for Log Analytics in West Europe region.

• Root Cause: The failure was due to the issue with one of our backend service
• Incident Timeline: 1 Hours & 45 minutes - 07/19, 16:39 UTC through 07/19, 18:25 UTC

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

-Leela

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Update: Friday, 19 July 2019 19:17 UTC

Root cause has been isolated to few nodes in the cluster. To address this issue we restarted the nodes. Data access through Log Analytics is now working as expected in West Europe region. 

• Next Update: Before 07/19 23:30 UTC

-Dharmendra

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Initial Update: Friday, 19 July 2019 17:48 UTC

We are aware of issues within Log Analytics and are actively investigating. Some customers may experience data access issues using Log Analytics in West Europe region.

• Work Around: None
• Next Update: Before 07/19 19:00 UTC

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

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