Experiencing Latency and Data Loss issue in Azure Portal for Many Data Types - 05/27 - Resolved

[Azure-Monitor-Team]

Final Update: Wednesday, 27 May 2020 21:22 UTC

We've confirmed that all systems are back to normal as of 05/27, 21:22 UTC. Our logs show the incident started on 05/27, 12:16 UTC and that during the 8 hours 53 minutes that it took to resolve the issue some customers using Application Inisghts resources in East US region might have experienced intermittent Data Latency, Data Gaps and incorrect Alert Activation.

• Root Cause: The failure was due to issue in our storage backend service.
• Incident Timeline: 8 Hours & 53 minutes - 05/27, 12:16 UTC through 05/27, 21:09UTC

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

-Sindhu

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Update: Wednesday, 27 May 2020 19:30 UTC

We continue to investigate issues within Application Insights. Root cause is not fully understood at this time. Some customers using Application Insights resources in East US region may experience intermittent Data Latency, Data Gaps and incorrect Alert Activation. We are working to establish the start time for the issue, initial findings indicate that the problem began at 5/27 ~12:16 UTC. We currently have no estimate for resolution.

• Work Around:
• Next Update: Before 05/27 21:30 UTC

-Jeff

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Update: Wednesday, 27 May 2020 15:06 UTC

We continue to investigate issues within Application Insights. Root cause is not fully understood at this time. Some customers using Application Insights resources in East US region may experience intermittent Data Latency, Data Gaps and incorrect Alert Activation. We are working to establish the start time for the issue, initial findings indicate that the problem began at 5/27 ~12:16 UTC. We currently have no estimate for resolution.

• Work Around: None. 
• Next Update: Before 05/27 19:30 UTC

-Madhuri

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Initial Update: Wednesday, 27 May 2020 13:25 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers using Application Insights resources in East US region may experience intermittent Data Latency, Data Gaps and incorrect Alert Activation.

• Work Around: None. 
• Next Update: Before 05/27 15:30 UTC

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

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