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FWP_E_KEY_DICTATION_INVALID_KEYING_MATERIAL
FWP_E_KEY_DICTATION_INVALID_KEYING_MATERIAL means a key manager attempted to dictate keying material that failed WFP validation.
What to verify for FWP_E_KEY_DICTATION_INVALID_KEYING_MATERIAL
- Validate key sizes, transform compatibility, lifetime fields, and security-association selectors before passing the data to WFP.
- Ensure the key material was generated for the exact negotiated policy, not reused from another SA.
- Collect IKE/IPsec diagnostics while reproducing the problem, but avoid logging secret key material.
Microsoft: capture IPsec events with netsh wfp
Diagnostic discriminator: Validate key length, selectors, lifetime and negotiated transform against the exact security association. This result concerns dictated key material; do not log the key itself or treat the failure as generic IPsec connectivity.
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