Pass in any iso images to add as dvd drives during boot

builder/hyperv/iso/builder.go

@@ -149,7 +149,7 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 
 	if b.config.VMName == "" {
 		b.config.VMName = fmt.Sprintf("packer-%s-{{timestamp}}", b.config.PackerBuildName)
-	}	
+	}
 
 	log.Println(fmt.Sprintf("%s: %v", "VMName", b.config.VMName))
 
@@ -171,6 +171,13 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
 		b.config.Generation = 1
 	}
 
+	if b.config.Generation == 2 {
+		if len(b.config.SecondaryDvdImages) > 0 {
+			err = errors.New("Generation 2 vms don't support floppy drives. Use ISO image instead.")
+			errs = packer.MultiErrorAppend(errs, err)
+		}
+	}
+
 	log.Println(fmt.Sprintf("Using switch %s", b.config.SwitchName))
 	log.Println(fmt.Sprintf("%s: %v", "SwitchName", b.config.SwitchName))
 
@@ -301,7 +308,9 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		},
 		&hypervcommon.StepMountFloppydrive{},
 
-		&hypervcommon.StepMountSecondaryDvdImages{},
+		&hypervcommon.StepMountSecondaryDvdImages{
+			Files: b.config.SecondaryDvdImages,
+		},
 
 		&hypervcommon.StepRun{
 			BootWait: b.config.BootWait,