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SL_E_WINDOWS_VERSION_MISMATCH
How to read this result without losing context
0xC004E027 maps to SL_E_WINDOWS_VERSION_MISMATCH. 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 running Software Protection service version does not match the licensing policy/component set.
This distinction matters because this is component skew, not an unsupported product edition. A later “not licensed” state should not replace the first exact HRESULT in logs.
The diagnostic record that matters
- secure-store ID, hashes and rule identifiers
- LicenseStatus, LicenseStatusReason and concurrent operation state
- Application ID and Activation ID
- license package and policy generation
- hardware ID inputs and recent hardware/firmware changes
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 sppsvc and policy/package versions, OS build, pending servicing/reboot state and loaded paths.
Policy mismatch, hardware-data failure, invalid context and an already-running activation are distinct from a rejected key or unreachable activation server.
Do not confuse it with these nearby results
| Result | Different condition |
|---|---|
SL_E_ACTIVATION_IN_PROGRESS | Compared with this result, another activation operation for the same SKU is still active, so a concurrent attempt is rejected. |
SL_E_INVALID_HASH | Compared with this result, a protected data object does not match its stored integrity hash. |
SL_E_INVALID_CONTEXT_DATA | Compared with it, machine/context data supplied to the rules engine is malformed or inconsistent. |
Investigation sequence
- Start with the earliest event carrying it; later status queries may only report the resulting unlicensed or notification state.
- Use read-only inspection first: record sppsvc and policy/package versions, OS build, pending servicing/reboot state and loaded paths.
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.
Safe recovery direction
Complete servicing/reboot or repair the Windows image so service and policy come from the same build.
Representative case: An interrupted cumulative update leaves new policy files with an older running service binary.
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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