Experiencing Data Latency for Application Insights - 06/01 - Resolved

[Azure-Monitor-Team]

Final Update: Thursday, 02 June 2022 00:42 UTC

We've confirmed that all systems are back to normal with no customer impact as of 6/02, 00:20 UTC. Our logs show the incident started on 6/01, 09:30 UTC and that during the 14 hours and 50 minutes that it took to resolve the issue customers using Application Insights in North Europe may experience intermittent log data latency and/or gaps. Additionally, users may have experienced incorrect alert activation during the impacted period

• Root Cause: The failure was due to an unhealthy backend dependency.
• Incident Timeline: 14 Hours & 50 minutes - 6/01, 09:30 UTC through 6/02, 00:20 UTC

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

-Eric Singleton

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Update: Wednesday, 01 June 2022 23:19 UTC

Still in the process of recovering the backend dependency. Some customers using Application Insights in North Europe may experience intermittent log data latency and/or gaps. Additionally, users may have experienced incorrect alert activation during the impacted period

• Work Around:
• Next Update: Before 06/02 01:30 UTC

-Eric Singleton

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Update: Wednesday, 01 June 2022 20:49 UTC

Root cause has been isolated to a backend dependency which was impacting. Some customers using Application Insights in North Europe may experience intermittent log data latency and/or gaps. Additionally, users may have experienced incorrect alert activation during the impacted period

• Work Around:
• Next Update: Before 06/01 23:00 UTC

-Eric Singleton

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