Hello JoaqoGarcia, when you add a new virt. control in WRK-V-0112.10 and start the control, a batch file like this is created: "C:\Program Files\Rexroth\ctrlX WORKS WRK-0112\qemu\qemu-system-x86_64.exe" -L "C:\Program Files\Rexroth\ctrlX WORKS WRK-0112\qemu" -machine q35,accel=hax:tcg -smp 4 -m 1G -netdev tap,id=eth0,ifname=VirtualControl-DE-AD-BE-00-00-03 -smbios "type=1,manufacturer=Bosch Rexroth AG,product=ctrlX COREvirtual,version=1.12.21,serial=BB41E3C8-A4B3-11E8-9C43-BC0000CC0000,uuid=BB41E3C8-A4B3-11E8-9C43-BC0000CC0000" -device virtio-net-pci,netdev=eth0,mac=DE-AD-BE-00-00-03 -drive "file=C:\ProgramData\Rexroth\ctrlX WORKS\virtual-controls\images\1.12.21\l04glwpd.user.qcow2,media=disk" -kernel "C:\ProgramData\Rexroth\ctrlX WORKS\virtual-controls\images\1.12.21\kernel.img" -initrd "C:\ProgramData\Rexroth\ctrlX WORKS\virtual-controls\images\1.12.21\initrd.img" -net user,restrict=off -monitor tcp:127.0.0.1:65000,server,nowait -append "earlycon clk_ignore_unused rng_core.default_quality=700 panic=-1 systemd.gpt_auto=0 rd.systemd.unit=basic.target snapd_recovery_mode=run console=ttyS0 console=tty1 net.ifnames=0 hostname=VirtualControl-3 usage=evaluation" -nographic As you might see, it differs from your file. Did you change it manually? If yes, you need to pass the arguments right. I think the problem is the blank before hostname in your file. I would propose to start the control in the ctrlX WORKS Application. Then it should work. Regards, Oliver
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