pre.pp

  exec { 'IIS Feature Delegation, Handler Mappings: R/W':
    command     => 'Set-WebConfiguration //System.webServer/handlers -metadata overrideMode -value Allow -PSPath IIS:/',
    refreshonly => true,
  }

  exec { 'IIS Feature Delegation, Modules: R/W':
    command     => 'Set-WebConfiguration //System.webServer/modules -metadata overrideMode -value Allow -PSPath IIS:/',
    refreshonly => true,
  }