NTSTATUS 0xC0000354 (STATUS_DEBUGGER

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The debug-port operation reached debugger state that is being torn down or is no longer active.

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STATUS_PORT_NOT_SET	STATUS_DS_VERSION_CHECK_FAILURE

STATUS_DEBUGGER_INACTIVE

The debugger or debug port is no longer active

This NTSTATUS identifies inactive debugger state in the native debug-port path. It should not automatically be interpreted as “no debugger was ever attached.” A debug object or port can be in deletion or teardown while another thread still attempts a debug operation.

Capture debugger process lifetime, target process state and the debug operation that raced with teardown. For kernel debugging, also confirm that debugging was enabled at boot when the failing component depends on the kernel debugger. User-mode and kernel debugging are different paths, so preserve which API returned the status before changing boot configuration.

What to inspect

Identify whether the failing operation is user-mode process debugging or kernel debugging.
Trace debug-object teardown and target process exit for racing operations.
For kernel-debug dependencies, verify the actual boot debug configuration before retrying.

References

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