If enabled then discovered targets may not be manually configured. If disabled then discovered targets may be manually configured. Note: if enabled there may be cases where this will break VDS.
Policy path:
System\iSCSI\iSCSI Target Discovery
Scope:
Machine
Supported on:
At least Windows Vista
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\iSCSI!ConfigureTargets
Filename:
iSCSI.admx