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SPAPI_E_INVALID_TARGET
Treat this HRESULT as a marker, not as a request for a generic restart or reinstall. It is returned when a driver or setup copy operation resolved to a destination that SetupAPI does not accept for that installation phase.
Meaning in the subsystem
For device installation, SetupAPI. Dev. Log is the chronological backbone. Correlate the HRESULT with the device instance ID, selected INF and section, signature or rank decision, file queue, class/co-installer dispatch, and rollback for that exact attempt instead of reading isolated lines from different installations.
Do not collapse this result into a nearby status. Access denied means the destination is valid but forbidden; invalid target means the destination contract itself is unsuitable. Compare lifecycle, identity, caller, and first API.
Minimum useful evidence
| Capture | Why it matters |
|---|---|
| INF section, CopyFiles directive, source media path, destination DIRID, and expanded target | Creates a stable before/after control. |
| Target volume state, architecture, offline-image root, and permissions | Tests whether the first boundary moves. |
| SetupAPI. Dev. Log lines around destination resolution and file queue commit | Pins evidence to one attempt. |
| Whether redirection, WOW64, or an offline servicing context changed the path | Separates contract failure from environment. |
Collect the smallest evidence set that identifies the attempt and object. Redact secrets and message contents; preserve hashes, IDs, policy values, versions, and state transitions instead.
Isolate the responsible condition
- Expand the INF destination using the same platform/architecture before queueing files; use a disposable or backed-up environment when the comparison changes boot, security, device, queue, or encryption state.
- Test a minimal signed package that copies to a documented DIRID; retain one negative control so that a broad workaround is not mistaken for a root-cause correction.
- Compare live-system and offline-image roots while keeping the INF unchanged; keep every other input fixed and record the first event that differs from the failing run.
Do not use repeated retries as the primary test. In this case, a successful later attempt may reflect a new object, refreshed policy, restarted service, different token, or completed background transition, so record exactly what changed between attempts.
Avoid the common misdiagnosis
Interpret the controlled tests as evidence about the returning boundary:
| Observed result | Interpretation |
|---|---|
| The minimal or known-good comparison succeeds | The control works; inspect production-specific state. |
| The control fails at the same first operation | The control also fails; inspect host/provider evidence. |
| A new HRESULT marks another boundary | The failure moved to another boundary; diagnose the new status separately rather than treating it as confirmation that the entire operation is fixed. |
Regression proof
A defensible correction is specific to the evidence: Use supported DIRIDs and decorated INF sections, remove hard-coded system paths, and validate the offline target root. Preserve the pre-change configuration or trace.
Close the incident only when the package installs on every declared architecture and offline/live target without copying outside the intended driver-store workflow. Repeat under the original identity and state. A different environment is comparison, not proof.
Technical references
These references define the HRESULT family and subsystem contract used above:
- Microsoft Open Specifications: HRESULT values.
- Microsoft: using device installation functions.
- Microsoft: device and driver installation overview.
- Microsoft: SetupAPI device installation log entries.
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