NtSetDefaultHardErrorPort - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

// Misc.

NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetDefaultHardErrorPort(
    _In_ HANDLE DefaultHardErrorPort
    );

#endif
#endif

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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwSetDefaultHardErrorPort(
    _In_ HANDLE DefaultHardErrorPort
    );

#endif

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NtSetDefaultHardErrorPort is typically called only once. After call, kernel set BOOLEAN flag named _ExReadyForErrors to TRUE, and all other tries to change default port are broken with STATUS_UNSUCCESSFUL error code.

PortHandle

HANDLE to named Port Object.

Listener of default HardError port receive HARDERROR_MSG LPC messages when any process call NtRaiseHardError function.

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Requirements

Privilege: SE_TCB_PRIVILEGE

See also

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