Final Update: Thursday, 03 September 2020 22:36 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/03, 21:56 UTC. Our logs show the incident started on 09/03, 09:30 UTC and that during the 12 hours and 26 minutes that it took to resolve the issue some customers might have experienced intermittent data latency, data gaps and incorrect alert activation in West Europe region.
- Root Cause: The issue was due to hardware failure in one of the region's data centers affecting the network.
- Incident Timeline: 12 Hours & 26 minutes - 09/03, 09:30 UTC through 09/03, 21:56 UTC
We understand that customers rely on Application Insights and Azure Log Analytics as critical services and apologize for any impact this incident caused.
-Saika
Update: Thursday, 03 September 2020 20:00 UTC
Root cause has been isolated to a hardware failure in one of the region's data centers affecting the network and systems are still catching up to get back to normal. Some customers may still continue to experience intermittent data latency, data gaps and incorrect alert activation in West Europe region.
- Next Update: Before 09/04 00:00 UTC
-Saika
Update: Thursday, 03 September 2020 15:30 UTC
We continue to investigate issues within Application Insights and Azure Log Analytics. Some customers continue to experience intermittent data latency, data gaps and incorrect alert activation in West Europe region. The initial findings suggest that the issue began at 09/03 ~09:30 UTC.
- Work Around: None
- Next Update: Before 09/03 20:30 UTC
-Sandeep
Update: Thursday, 03 September 2020 12:38 UTC
We continue to investigate issues within Application Insights and Azure Log Analytics in West Europe region. Root cause is not fully understood at this time. Some customers continue to 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 09/03 ~09:30 UTC. We currently have no estimate for resolution.
- Work Around: None
- Next Update: Before 09/03 15:00 UTC
-Rama
Initial Update: Thursday, 03 September 2020 10:34 UTC
We are aware of issues with Data Latency within Application Insights and Log Analytics in West Europe region and are actively investigating. Some customers may experience intermittent data latency, data gaps and incorrect alert activation.
- Work Around: None
- Next Update: Before 09/03 14:00 UTC
We are working hard to resolve this issue and apologize for any inconvenience.
-Sandeep
