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Final Update: Friday, 02 April 2021 05:47 UTC

We’ve confirmed that all systems are back to normal with no customer impact as of 4/02, 04:30 UTC. Our logs show the incident started on 4/01, 21:20 UTC and that during the 7 Hours & 10 minutes that it took to resolve the issue some customers may have experienced data access issue, missed or delayed azure alerts and data ingestion latency issue.
  • Root Cause: The failure was due to DNS outage.
  • Incident Timeline: 7 Hours & 10 minutes – 4/01, 21:20 UTC through 4/02, 04:30 UTC
We understand that customers rely on Azure Monitor service as a critical service and apologize for any impact this incident caused.

-Harshita

Update: Friday, 02 April 2021 03:10 UTC

We continue to have residual effect in Azure monitor services due to DNS outage. Some customers in East US2 may still experience data access issue and missed/delayed  Azure alerts. Customers in Central US region may still experience data ingestion latency.
  • Work Around: None
  • Next Update: Before 04/02 05:30 UTC
-Anupama

Update: Friday, 02 April 2021 01:34 UTC

We continue to have residual effect in Azure monitor services due to DNS outage. Some customers in East US2 may still experience missed/delayed  Azure alerts. The issue with data access and data ingestion has been recovered and services are healthy in East US. We currently have no estimate for resolution.
  • Work Around: None
  • Next Update: Before 04/02 03:00 UTC
-Anupama

Update: Thursday, 01 April 2021 23:46 UTC

We continue to have issues within Azure monitor services due to DNS outage. Some customers in East US and East US2 continue to experience issues accessing data, issues with data ingestion and missed/delayed  Azure alerts. We currently have no estimate for resolution.
  • Work Around: None
  • Next Update: Before 04/02 02:00 UTC
-Anupama

Initial Update: Thursday, 01 April 2021 22:29 UTC

We are aware of issues within Azure monitoring services due to a DNS outage and we are actively investigating. Some customers may experience issues accessing data, issues with data ingestion and missed/delayed  Azure alerts. 
  • Work Around: None
  • Next Update: Before 04/02 00:30 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Anupama

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