Index: /trunk/ippTools/src/regtool.c
===================================================================
--- /trunk/ippTools/src/regtool.c	(revision 24013)
+++ /trunk/ippTools/src/regtool.c	(revision 24014)
@@ -455,5 +455,5 @@
     PXOPT_LOOKUP_STR(class_id, config->args, "-class_id", true, false);
 
-    PXOPT_LOOKUP_S16(fault, config->args, "-fault", true, false);
+    PXOPT_LOOKUP_S16(fault, config->args, "-fault",   false, false);
     PXOPT_LOOKUP_F64(user_1, config->args, "-user_1", false, false);
 
Index: /trunk/ippTools/src/regtoolConfig.c
===================================================================
--- /trunk/ippTools/src/regtoolConfig.c	(revision 24013)
+++ /trunk/ippTools/src/regtoolConfig.c	(revision 24014)
@@ -150,5 +150,5 @@
     ADD_OPT(Str, updateprocessedimfileArgs, "-class_id",      "search by class ID", NULL);
     ADD_OPT(F64, updateprocessedimfileArgs, "-user_1",        "set user stat (1)", NAN);
-    ADD_OPT(S16, updateprocessedimfileArgs, "-fault",          "set fault code (required)", INT16_MAX);
+    ADD_OPT(S16, updateprocessedimfileArgs, "-fault",          "set fault code", INT16_MAX);
 
     // -pendingexp