Index: /trunk/src/VBox/Frontends/VBoxManage/VBoxManageGuestCtrl.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VBoxManage/VBoxManageGuestCtrl.cpp	(revision 29551)
+++ /trunk/src/VBox/Frontends/VBoxManage/VBoxManageGuestCtrl.cpp	(revision 29552)
@@ -242,8 +242,4 @@
         return errorSyntax(USAGE_GUESTCONTROL,
                            "No user name specified!");
-
-    if (Utf8Password.isEmpty())
-        return errorSyntax(USAGE_GUESTCONTROL,
-                           "No password specified!");
 
     /* lookup VM. */
Index: /trunk/src/VBox/Main/GuestImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/GuestImpl.cpp	(revision 29551)
+++ /trunk/src/VBox/Main/GuestImpl.cpp	(revision 29552)
@@ -736,5 +736,4 @@
     CheckComArgOutPointerValid(aPID);
     CheckComArgStrNotEmptyOrNull(aUserName); /* Do not allow anonymous executions (with system rights). */
-    CheckComArgStrNotEmptyOrNull(aPassword);
     CheckComArgOutPointerValid(aProgress);