I'm glad you like the support forum and I hope to maintain the quality you found with my answer .
NaviSphere Server Utility software will guide you to the necessary steps for registering your host correctly .
You need to install this utility on each node and run the setup .
Please refer to the following document "EMC CLARiiON iSCSI Server Setup
Guide for Windows"
http://www.emc.com/microsites/clariion-support/pdf/300-003-805.pdfAlso we have an entire website dedicate to the AX4-5 here you can find all the supported configuration , documents and software for your AX4-5 platform below you can find the address :
www.emc.com/ax4-5support
Regards
Pierluca