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STATUS_NDIS_LOW_POWER_STATE
Power policy, not network configuration, blocks the request
STATUS_NDIS_LOW_POWER_STATE identifies a miniport power transition or an established lower-power state. NDIS selective suspend and broader device power policy can suspend an idle adapter to reduce system power use; an operation that requires an operational NIC can fail until the device resumes.
The correct diagnosis follows the power timeline: capability reporting, idle notification, device power state, wake policy, and resume events. Treating it as a media disconnect or an invalid OID hides the actual state transition.
Evidence that narrows it
- Capture device and system power states, selective-suspend activity, and the operation requested at the transition boundary.
- Check wake capability and policy only after confirming the adapter was intentionally transitioned to low power.
- Compare the failure with link-state indications after resume; a device can return to D0 yet still report media disconnected.
References
- Microsoft: Overview of NDIS selective suspend
- Microsoft: NDIS power policy for a network adapter
- Microsoft: Miniport adapter states and operations
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