Enable DEP

I'm attempting to enable DEP on Windows Server 2003 systems remotely using WMI.

Does anyone know how I can do this? I know in the Win32_OperatingSystem class there is a property called DataExecutionPrevention_SupportPolicy, but this property is read-only. I would prefer to do this through WMI and not edit the boot.ini. Anyone know what I can do? Thanks.

I just had a quick play around and I cant find any way to do it without editing Boot.ini I'm afraid.... of course that doesnt mean there isnt a way, its just certainly not obvious or common..