points out that
Windows 95 supported a flag called
but Windows NT doesn't.
was never documented.
It was used internally by Windows 95
but Windows NT didn't need to support it,
so it didn't.
Since it was an internal flag that was never documented,
the Windows NT team
were under no obligation to support it,
and they chose not to.
After all, why go to the extra work of writing code to
support a flag that nobody can legitimately be using?
Unsupported flag is unsupported.