On February 18, 2026 a fresh wave of user reports and forum threads asked the blunt, familiar question: Is Microsoft Copilot down? The short, evidence‑based answer for most users is: not globally — but yes, intermittent and regionally scoped problems were reported on that date, and the incident exposed a predictable pattern of failure modes that follow from Copilot’s architecture, autoscaling behaviours, and the tangled operational dependencies of a hyperscale AI product...