We realized we had the SAS connectors routed wrong on the Library. Both cables were only in one drive, which was not the control path. fixed that and now seeing full library and able to send to VM.

below are the two requested screenshots

Yes I have installed drivers on both the host machine and the VM

I have a Hyper-V host running Server 2012 R2 that directly connects to the Dell TL4000 tape Library via a SAS HBA card. The Library has two tape drives, both of which show up in device manager on the host machine. I have updated drivers / firmware. I would like to share via iSCSI the tape library to...