IoSetSystemPartition - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
// ntddk.h

NTSTATUS IoSetSystemPartition(
  [in] PUNICODE_STRING VolumeNameString
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-ntddk-iosetsystempartition)

IoSetSystemPartition function

Description

The IoSetSystemPartition routine sets the boot partition for the system.

Parameters

VolumeNameString [in]

Pointer to a Unicode string that specifies the MS-DOS name of the system partition.

Return value

STATUS_SUCCESS if the boot partition can be set, or an error code on failure.

Remarks

The specified partition must contain the boot loader.