Hi I found the solution.

I has to use port 33268

Thanks.

I cannot attach the logfile...

"The extension txt is not allowed."

How can I sent it to you.?

I have a physically server Windows 2012 with to tapedrives connected and a Hyper-V windows 2012 server. I have installed Tape Redirector on the server with the tapedrives and iSCSI Initiator on the Hyper-V server. I have disabled the Firewall on both servers and there is no antivirus installed. But ...