Microsoft's M365 outage explanation draws single-point-of-failure critique
DavidLinthicum · x · 2026-11-15
Microsoft blamed its recent Microsoft 365 outage on a latent network-capacity issue exposed by a later network change. Cloud architect David Linthicum argues the explanation leaves two uncomfortable options: Microsoft isn't disclosing the real root cause, or it built an architecture with a single point of failure that should never have existed. Resilience, he stresses, is about distribution — spreading workloads across regions while coordinating them so systems retain optionality when bad updates, config changes, or attacks inevitably happen.
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