[ovirt-users] Failure on last step of ovirt hosted engine

Hello, I am following the guide "up and running with ovirt 3.5" but with iscsi and not glusterfs. On the last step (after I have already installed ovirt-engine in the vm) the script has stopped due to an error. So the ovirt hosted vm is not registered in the datacenter and iscsi storage is not seen by datacenter. I am trying to use ovirt gui to register it manually without luck. I also cannot add the iscsi storage domain to current datacenter because obviously it is already attached to another datacenter. Can someone tell me how to repeat the last step of the script? Thanks, Mario