Multiple iSCSI initiator

How to set WD EX4 iSCSI as iSCSI target and able to connect from 5 iSCSI initiator?

Thank’s …

Hello ekosartono, welcome to the WD Community. See if the link below helps. 

https://technet.microsoft.com/en-us/library/ee338476%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396