diff --git a/image_creator/dialog_menu.py b/image_creator/dialog_menu.py
index 0e32167ca8b579e50193bebf9930d26462070314..dc0c31b8037194c85efb031cb7d59ac413f52d68 100644
--- a/image_creator/dialog_menu.py
+++ b/image_creator/dialog_menu.py
@@ -554,6 +554,18 @@ def sysprep(session):
                 try:
                     image.mount(readonly=False)
                     try:
+                        err_msg = \
+                            "Unable to execute the system preparation tasks."
+                        if not image.mounted:
+                            d.msgbox("%s Couldn't mount the media." % err_msg,
+                                title="System Preperation", width=SMALL_WIDTH)
+                            return
+                        elif image.mounted_ro:
+                            d.msgbox("%s Couldn't mount the media read-write."
+                                % err_msg, title="System Preperation",
+                                width=SMALL_WIDTH)
+                            return
+
                         # The checksum is invalid. We have mounted the image rw
                         if 'checksum' in session:
                             del session['checksum']
diff --git a/image_creator/dialog_wizard.py b/image_creator/dialog_wizard.py
index 5605cc756e7f8b40b8a52d42de7a2a2e67d96678..17204dc8b6a02ecedda205ad85f571cf8293fc5f 100644
--- a/image_creator/dialog_wizard.py
+++ b/image_creator/dialog_wizard.py
@@ -265,6 +265,12 @@ def create_image(session):
 
         #Sysprep
         image.mount(False)
+        err_msg = "Unable to execute the system preparation tasks."
+        if not image.mounted:
+            raise FatalError("%s Couldn't mount the media." % err_msg)
+        elif image.mounted_ro:
+            raise FatalError("%s Couldn't mount the media read-write."
+                             % err_msg)
         image.os.do_sysprep()
         metadata = image.os.meta
         image.umount()
diff --git a/image_creator/main.py b/image_creator/main.py
index 4b86f7c7d42fffdbb54b6b67ee661077778b4467..130f50a8799b7685a6de261fe70e611000d4ee67 100644
--- a/image_creator/main.py
+++ b/image_creator/main.py
@@ -224,6 +224,12 @@ def image_creator():
                 return 0
 
             if options.sysprep:
+                err_msg = "Unable to apply the system preparation tasks."
+                if not image.mounted:
+                    raise FatalError("%s Couldn't mount the media." % err_msg)
+                elif image.mounted_ro:
+                    raise FatalError("%s Couldn't mount the media read-write."
+                                     % err_msg)
                 image.os.do_sysprep()
 
             metadata = image.os.meta