This article will show you how to enable iSCSI storage on you VMware ESXi 4.1 host in case you need to connect your host to a an iSCSI storage device.
iSCSI
Question: How To Connect To iSCSI Target From Windows Server \ Client
If need to connect to an iSCSI SAN Target from your Windows Server 2008, Windows Vista or 7 you can use the build-in iSCSI Initiator that comes with Windows.