progressMilestones: {
            requestProfile: { value: 1, description: 'Enter ipxe and request OS installation profile' },
            enterProfile:   { value: 2, description: 'Enter profile, start to download installer'},
            startInstaller: { value: 3, description: 'Start installer and prepare installation' },
            preConfig:      { value: 4, description: 'Enter Pre OS configuration'},