HRESULT 0x8032001E (FWP_E_INVALID_FLAGS): meaning and diagnosis

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Description:

A WFP flags field contains an invalid or incompatible value.

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FWP_E_INVALID_ENUMERATOR	FWP_E_INVALID_NET_MASK

FWP_E_INVALID_FLAGS

FWP_E_INVALID_FLAGS indicates that a flags field contains unsupported bits or an invalid combination of otherwise valid flags.

What to check for FWP_E_INVALID_FLAGS

Start from zero and set only flags documented for the exact structure and API call.
Do not copy flags between related WFP structures; their bit definitions are not interchangeable.
Check OS-version support before enabling a flag that was added after the oldest supported target.

Microsoft: WFP error codes

Microsoft: FwpmFilterAdd0

Microsoft: WFP object model

Diagnostic discriminator: Reduce the request to documented flags for the exact WFP structure and Windows version. If the call succeeds after clearing one bit, the failure is flag validation rather than provider or network-object state.

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