The Microsoft iSCSI Initiator is a software driver in Windows that allows your computer to connect to an iSCSI (Internet Small Computer System Interface) target. iSCSI is a protocol that allows the transmission of SCSI commands over a TCP/IP network, enabling remote storage devices (such as network-attached storage (NAS) or SANs) to appear as if they are locally attached to the computer.
The iSCSI Initiator acts as the client in this connection, and the iSCSI Target