Experiencing Data Gaps issue in Azure Portal - 08/07 - Resolved

[Azure-Monitor-Team]

Final Update: Wednesday, 07 August 2019 22:48 UTC

We've confirmed that all systems are back to normal with no customer impact as of 8/7, 20:45 UTC. Our logs show the incident started on 8/7, 06:30 UTC and that during the 14 hours and 15 that it took to resolve the issue 10% of customers using non-retrying SDKs in the West Europe Region could have experienced data gaps with a residual ~2% during the mitigation process.

• Root Cause: The failure was due to one of our backend services
• Incident Timeline: 14 Hours & 15 minutes - 8/7, 06:30 UTC through 8/7, 20:45 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, 07 August 2019 19:03 UTC

Services are still in the process of recovering. Some customers may still experience data gaps in the West Europe region

• Work Around: None
• Next Update: Before 08/07 23:30 UTC

-Eric Singleton

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Update: Wednesday, 07 August 2019 16:43 UTC

Root cause has been isolated to one of our backend services. Some customers may experience data gaps.

• Work Around: None
• Next Update: Before 08/07 19:00 UTC

-Eric Singleton

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Initial Update: Wednesday, 07 August 2019 13:47 UTC

We are aware of issues within Application Insights and are actively investigating.Some customers sending data in the West Europe region, which are using non-retrying SDK-s (including, but not limited to JavaScript SDK) may experience Data Gaps.

• Work Around: None
• Next Update: Before 08/07 17:00 UTC

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

-Sapna