Experiencing Data Latency issue in Azure Portal for Many Data Types - 10/08 - Resolved

[Azure-Monitor-Team]

Final Update: Thursday, 08 October 2020 05:14 UTC

We've confirmed that all systems are back to normal with no customer impact as of 10/08, 05:14 UTC. Our logs show the incident started on 10/08, 00:35 UTC and that during the 4 hours & 39 minutes that it took to resolve the issue some customers may have experienced data latency, gaps and / or alerts getting triggered inaccurately for the resources hosted in North Europe region. This impact is limited to customers using Workspace-based Application Insights.

• Root Cause: The failure was due to issues with one of our dependent service.
• Incident Timeline: 4 Hours & 39 minutes - 10/08, 00:35 UTC through 10/08, 05:14 UTC

We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Vyom

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Initial Update: Thursday, 08 October 2020 02:05 UTC

We are aware of issues within Log Analytics based Application Insights and are actively investigating. Some customers may experience data latency, gaps, and inaccurate alerting in North Europe.

• Work Around: NA
• Next Update: Before 10/08 06:30 UTC

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

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