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SL_E_HWID_ERROR
What the security processor has established
0xC004E01B maps to SL_E_HWID_ERROR. This result belongs to license evaluation, policy and machine-binding state and narrows the operation to the rules engine that combines installed licenses, machine context, hardware identity, secure-store identity, policy values and current operation state. In concrete terms, the evaluator could not collect all hardware identity inputs required for binding or genuine-state decisions.
This distinction matters because this is hardware-data collection failure, not an evaluated hardware out-of-tolerance verdict. A later “not licensed” state should not replace the first exact HRESULT in logs.
Where it sits in the licensing pipeline
Evaluation results should be tied to the exact licensing product instance; a computer normally exposes several products and add-ons with independent states. To verify this, record unavailable hardware classes, firmware/TPM/WMI errors, VM changes and last successful HWID generation.
Policy mismatch, hardware-data failure, invalid context and an already-running activation are distinct from a rejected key or unreachable activation server.
Investigation sequence
- Record this result,
0xC004E01B, the exact API or service operation, and the affected product or protected object. - Prove the specific condition: record unavailable hardware classes, firmware/TPM/WMI errors, VM changes and last successful HWID generation.
- Compare the neighboring results below and identify which condition actually applies.
What to capture before recovery
- hardware ID inputs and recent hardware/firmware changes
- secure-store ID, hashes and rule identifiers
- LicenseStatus, LicenseStatusReason and concurrent operation state
- Application ID and Activation ID
- license package and policy generation
Adjacent states in the same subsystem
| Result | Different condition |
|---|---|
SL_E_POLICY_OTHERINFO_MISMATCH | Compared with this result, a policy value disagrees with the corresponding value embedded in the license OtherInfo data. |
SL_E_EUL_CONSUMPTION_FAILED | Compared with it, the engine could not consume the use right represented by the evaluated license. |
SL_E_PRODUCT_UNIQUENESS_GROUP_ID_INVALID | Compared with it, genuine-state information contains a product uniqueness-group identity inconsistent with the license context. |
Actions that usually destroy useful evidence
- Do not reset the entire licensing store for a single policy or concurrency result.
- Do not change several inputs at once before identifying the rule, hash, context or operation that failed.
What to repair—and what not to reset
Repair the failing hardware/WMI/firmware source and reevaluate before attempting reactivation.
Representative case: A broken WMI provider prevents collection of a required hardware identifier.
Technical references
- SoftwareLicensingProduct WMI class — reference for evidence collection and post-repair verification.
- SoftwareLicensingService WMI class — technical contract for the subsystem producing it.
- WMI properties for volume activation — official platform context used to interpret it.
- RefreshLicenseStatus method — supported state, API or recovery information relevant to this HRESULT.
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