NTSTATUS 0xC0350041 (STATUS_HV_INVALID_LP

Status / error code:

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Constant name:

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Operating System:

Description:

The requested Hyper-V logical-processor index is not valid in the current hypervisor topology.

Could be also:
Constant	Type	OS
ERROR_HV_INVALID_LP_INDEX	HRESULT	Windows

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STATUS_HV_SMX_ENABLED	STATUS_HV_INVALID_REGISTER_VALUE

STATUS_HV_INVALID_LP_INDEX

The host logical-processor reference is outside the exposed topology

STATUS_HV_INVALID_LP_INDEX concerns a logical processor (LP) identity in the hypervisor topology. It should not be confused with STATUS_HV_INVALID_VP_INDEX, which refers to a guest virtual processor inside a partition. The two namespaces can change independently.

Diagnose the topology snapshot used by the caller, particularly around CPU hot-add/removal, processor groups, nested virtualization, or host configuration changes. A value copied from a guest CPU index is not automatically a valid hypervisor LP index.

What to inspect

The API/hypercall that expects an LP index and the target partition context.
The hypervisor’s current logical-processor topology and implementation limits.
CPU group or hot-plug events that occurred after the index was obtained.
Conversions between guest VP indices, host LP indices, APIC IDs and CPU-group identifiers.

References

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