This article was previously published under Q101780
This article has been archived. It is offered "as is" and will no longer be updated.
VCPI (Virtual Control Program Interface) is not supported in WindowsNT. In order to do so on a 386 or 486-based computers, control of thesystem page tables would have to be given to the application violatingsystem security. On RISC-based computers, only 286 emulation isavailable, which precludes the existence of system page tables.