Thanks
I've adjusted FirstBurstLength to match as suggested
no change - still only 250mbps/30MBps transfer speed

I'm going to abandon and find another solution

Hi there I have an LTO9 tape drive on a MS Hyper-V Host running Tape Redirector 8.0.15159.0 Installed and configured as per your technical papers, connected to the Hyper-V VM MS-server and phsycally working OK, initially impressions - a really great product and very pleased. Upon actual usage testin...