If enabled then only those connections that are configured for IPSec may be established. If disabled then connections that are configured for IPSec or connections not configured for IPSec may be established.
Policy path:
System\iSCSI\iSCSI Security
Scope:
Machine
Supported on:
At least Windows Vista
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\iSCSI!RequireIPSec
Filename:
iSCSI.admx