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ERROR_DBG_CREATE_PROCESS_FAILURE_LOCKDOWN
Treat create a process on a locked-down ARM target as a contract result, not as justification for resetting unrelated state. The target rejected creation of a new debuggee process before application startup.
First returning layer
The debugger-lockdown family reports policy enforcement. The protected target, debugging entitlement, and host policy matter more than debugger command syntax.
Create, attach, connect, and start-server failures are separate boundaries. A successful network connection does not prove that process creation or attach authorization is permitted. Keep ERROR_DBG_CREATE_PROCESS_FAILURE_LOCKDOWN, its numeric value, and the first returning operation together.
Evidence map
| Capture | Diagnostic value |
|---|---|
| Package/executable identity, deployment state, architecture, launch command, and lockdown policy. | Identifies the concrete object and operation associated with create a process on a locked-down ARM target. |
| Windows build, device model, boot/development mode, and the first debugger facility event. | Separates argument or lifecycle state from a lower-layer provider failure. |
| Client and target timestamps plus transport trace without source code or secrets. | Creates a stable before-and-after comparison. |
| Comparison with an approved development target using the same debugger version. | Shows whether this condition is the first result or a translated summary. |
Preserve package/executable identity, deployment state, architecture, launch command, and lockdown policy before reinstalling, rebooting, clearing state, or substituting another device or provider.
Change one condition at a time
- Deploy and launch the same package locally without debugger creation. Keep unrelated inputs fixed so the changed result remains attributable to the tested variable.
- Change only the device development/lockdown state in a controlled lab target. Record the first returned status and any state transition observed.
- Capture the earliest target-side refusal before changing firewall, package, or process state. Treat a changed result as a separate failure rather than automatic resolution.
Repair and regression test
Targeted correction. Permit the documented debugging capability or use an approved development image; do not disable unrelated security controls.
Acceptance criterion. The debugger creates one process with the intended package identity and ordinary launches remain governed by production lockdown.
Technical references
References for ERROR_DBG_CREATE_PROCESS_FAILURE_LOCKDOWN on the deployed platform version.
- Microsoft Open Specifications: HRESULT values — defines the status namespace used.
- Microsoft: HRESULT facility extraction — documents the API or lifecycle behind this condition.
- Microsoft: Windows Device Portal overview — provides ABI, implementation, or protocol context.
- Microsoft: PLMDebug — supports the portability and verification limits.
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