Unable to complete install:’unsupported configuration hda-duplex not supported in this Qemu binary’

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While creating first virtual machine in KVM on Ubuntu 14.04 got Error : Unable to complete install:’unsupported configuration hda-duplex not supported in this Qemu binary’.

kvm-4

Note: It was my fresh installation of KVM on Ubuntu 14.04 LTS.

Solution : Restart libvirt-bin.

sudo stop libvirt-bin
sudo start libvirt-bin

Reopen the virt-manager. I hope the problem is solved.
Run the below given command in terminal for opening virt-manager.

virt-manager

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