@@ -65,9 +65,19 @@ func (daemon *Daemon) createSpec(c *container.Container) (*libcontainerd.Spec, e

 	s.Process.Terminal = c.Config.Tty

 	s.Process.User.Username = c.Config.User

-	// In spec.Root

-	s.Root.Path = c.BaseFS

-	s.Root.Readonly = c.HostConfig.ReadonlyRootfs

+	// In spec.Root. This is not set for Hyper-V containers

+	isHyperV := false

+	if c.HostConfig.Isolation.IsDefault() {

+		// Container using default isolation, so take the default from the daemon configuration

+		isHyperV = daemon.defaultIsolation.IsHyperV()

+	} else {

+		// Container may be requesting an explicit isolation mode.

+		isHyperV = c.HostConfig.Isolation.IsHyperV()

+	}

+	if !isHyperV {

+		s.Root.Path = c.BaseFS

+	}

+	s.Root.Readonly = false // Windows does not support a read-only root filesystem

 	// In s.Windows.Resources

 	// @darrenstahlmsft implement these resources