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STATUS_INSUFFICIENT_POWER
The device power budget is insufficient
Bus-enumerated devices can declare power requirements, and hubs, docks, batteries or platform firmware can impose a current or energy budget. This status means the operation cannot be authorized within the available budget. It is distinct from a driver memory-allocation failure and from a device that is already powered but malfunctioning.
Determine whether the shortage is static during enumeration or appears only for a high-power feature. On USB and modular systems, topology matters: several devices can share one upstream budget. Firmware and battery conditions may also reduce what the platform can supply.
What to inspect
- Record device power requirements, parent bus or hub budget and the requested operating mode.
- Remove competing loads or test a powered port without changing the driver package.
- Check platform firmware, dock and battery telemetry for power-limit events.
References
- Microsoft: Hardware resources
- Microsoft: System and device power states
- Microsoft: Device power states
- Microsoft Open Specifications: NTSTATUS values
- ReactOS source: kernel power manager
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