This IBM® Redpaper™ provides a description of the various multipathing options available for iSCSI and Fibre Channel SANs on Microsoft® Windows® in conjunction with Data ONTAP®. The pros and cons of each solution are discussed with the intention of helping the reader determine the best solution for the reader's particular environment. In this paper, we also introduce the concepts of multipathing, and we briefly outline the installation steps and describe the management interface for the Windows operating system (OS).