In plain English
People are actively looking into the incident. They are trying to establish the important facts, the cause, or how much of the service is affected.
In context
In this use, it indicates that the incident is at the stage where it is being examined and the cause has not yet been confirmed.
- Situation
- Responding to outages, degraded service, diagnostics, support tickets, and restoration updates
- What it communicates
- marks the stage before the cause is confirmed.
Meaning limits
By itself, this status does not say what the cause is or how large the incident is.
Examples
“The network outage is still under investigation, and no one has yet established how many customers were affected.”
“While the service disruption was under investigation, engineers compared reports from different areas.”