poor-windows-vagrant-performance

Vagrant.configure("2") do |config|
    servers=[
        {
          :hostname => "ansible",
          :box => "bento/ubuntu-20.04",
          :ip => "172.16.1.10",
          :ssh_port => '2200',
          :ram => 512,
          :vcpu => 1
        },
        {
          :hostname => "server1",
          :box => "bento/ubuntu-20.04",
          :ip => "172.16.1.11",
          :ssh_port => '2201',
          :ram => 512,
          :vcpu => 1
        },
        {
          :hostname => "server2",
          :box => "bento/ubuntu-20.04",
          :ip => "172.16.1.12",
          :ssh_port => '2202',
          :ram => 512,
          :vcpu => 1
        },
        {
          :hostname => "server3",
          :box => "bento/ubuntu-20.04",
          :ip => "172.16.1.13",
          :ssh_port => '2203',
          :ram => 512,
          :vcpu => 1
        },
      ]

    servers.each do |machine|
        config.vm.define machine[:hostname] do |node|
            node.vm.box = machine[:box]
            node.vm.hostname = machine[:hostname]
            node.vm.network :private_network, ip: machine[:ip]
            node.vm.network "forwarded_port", guest: 22, host: machine[:ssh_port], id: "ssh"
        end
    end

        config.vm.define "win2019"
        #config.vm.box = "StefanScherer/windows_2019"
        config.vm.box = "gusztavvargadr/windows-server"
        config.vm.hostname = "win2019"
        config.vm.network :private_network, ip: "172.16.1.99"
        config.vm.network "forwarded_port", guest: 3389, host: 33389, id: "rdp"
        config.vm.network "forwarded_port", guest: 5985, host: 50985, id: "rdp"
        config.vm.provider "virtualbox" do |vb|
           vb.customize ["modifyvm", :id, "--memory", 8192]
           vb.customize ["modifyvm", :id, "--cpus", 4]
        end
end