diff -up shadow-4.6/src/usermod.c.move-home shadow-4.6/src/usermod.c

--- shadow-4.6/src/usermod.c.move-home	2018-05-28 14:59:05.594076665 +0200

+++ shadow-4.6/src/usermod.c	2018-05-28 15:00:28.479837392 +0200

@@ -1845,6 +1845,11 @@ static void move_home (void)

 			         Prog, prefix_user_home, prefix_user_newhome);

 			fail_exit (E_HOMEDIR);

 		}

+	} else {

+		fprintf (stderr,

+		         _("%s: The previous home directory (%s) does "

+		           "not exist or is inaccessible. Move cannot be completed.\n"),

+		         Prog, prefix_user_home);

 	}

 }