iSCSI initiator is part of the Microsoft Admin tool.
Change the IQN name for the client. This name is used by the target authorization.
Target can be host name or FQDN or even the Ip address.
Once it is connect. We can see the disk show up in the disk manger.
Step-by-step: Using the Microsoft iSCSI Software Target with Hyper-V (Standalone, Full, VHD) http://blogs.technet.com/b/josebda/archive/2009/02/02/step-by-step-using-the-microsoft-iscsi-software-target-with-hyper-v-standalone-full-vhd.aspx