WBEMMOF_E_MUST_BE_IN_OR_OUT

Code: 0x80044027 (2147762215)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x004 (FACILITY_ITF: COM/OLE Interface management)
Code: 0x4027 (16423)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x004 (FACILITY_IO_ERROR_CODE: Input/Output)
Code: 0x4027 (16423)

Documented in Win32

WMI Error Constants (wbemcli.h): 0x80044027

Arguments must have an **In** or **Out** qualifier.