Are you try to convert powered on HyperV machine? It's not possible, only powered off HyperV machine could be converted through "Hyper-V Server" menu.
Otherwise you can convert powered on VMs through 'Powered-on machine' menu.
HTH
Are you try to convert powered on HyperV machine? It's not possible, only powered off HyperV machine could be converted through "Hyper-V Server" menu.
Otherwise you can convert powered on VMs through 'Powered-on machine' menu.
HTH