Experiencing Data Latency issue in East US for availability tests - 03/11 - Resolved

Former Employee

Mar 11, 2020

Final Update: Thursday, 12 March 2020 02:31 UTC

We've confirmed that all systems are back to normal with no customer impact as of 3/12, 2:00 UTC. Our logs show the incident started on 3/10, 21:23 UTC and that during the 28 hours and 37 minutes that it took to resolve the issue customers experienced latent results for availability tests.

Root Cause: The failure was due to an invalid data value introduced to the backend causing intermittent delays of test results and possible missed results.
Incident Timeline: 28 Hours & 37 minutes - 3/10, 21:23 UTC through 3/12, 2:00 UTC

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

-Jeff

Initial Update: Wednesday, 11 March 2020 20:14 UTC

We are aware of issues within Application Insights and are actively investigating. Some customers may experience Data Latency in availability test results.