=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/java/org/hisp/dhis/user/action/ValidateUserAction.java'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/java/org/hisp/dhis/user/action/ValidateUserAction.java	2014-10-16 06:17:19 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/java/org/hisp/dhis/user/action/ValidateUserAction.java	2014-10-17 09:29:57 +0000
@@ -75,13 +75,20 @@
     {
         this.username = username;
     }
-
+    
     private String openId;
 
     public void setOpenId( String openId )
     {
         this.openId = openId;
     }
+    
+    private String inviteUsername;
+
+    public void setInviteUsername( String inviteUsername )
+    {
+        this.inviteUsername = inviteUsername;
+    }
 
     // -------------------------------------------------------------------------
     // Output
@@ -126,6 +133,18 @@
             }
         }
 
+        if ( inviteUsername != null )
+        {
+            UserCredentials match = userService.getUserCredentialsByUsername( inviteUsername );
+
+            if ( match != null && (id == null || match.getId() != id) )
+            {
+                message = i18n.getString( "username_in_use" );
+
+                return ERROR;
+            }
+        }
+
         message = i18n.getString( "everything_is_ok" );
 
         return SUCCESS;

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/addUserForm.vm'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/addUserForm.vm	2014-09-12 06:24:17 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/addUserForm.vm	2014-10-17 09:29:57 +0000
@@ -24,6 +24,7 @@
 
     checkValueIsExist("username", "validateUser.action");
     checkValueIsExist("openId", "validateUser.action");
+    checkValueIsExist("inviteUsername", "validateUser.action");
 
     ouwtSelected = selection.getSelected();
     selection.setMultipleSelectionAllowed( true );

=== modified file 'dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/javascript/user.js'
--- dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/javascript/user.js	2014-06-13 08:08:04 +0000
+++ dhis-2/dhis-web/dhis-web-maintenance/dhis-web-maintenance-user/src/main/webapp/dhis-web-maintenance-user/javascript/user.js	2014-10-17 09:29:57 +0000
@@ -92,7 +92,6 @@
         $('#retypePassword').val( saved["retypePassword"] );
         $('#surname').val( saved["surname"] );
         $('#firstName').val( saved["firstName"] );
-        $('#phoneNumber').val( saved["phoneNumber"] );
         $('#email').val( $('#inviteEmail').val() );
         $('#inviteEmail').val( 'validEmail@domain.com' );
 
@@ -108,7 +107,6 @@
         saved["retypePassword"] = $('#retypePassword').val();
         saved["surname"] = $('#surname').val();
         saved["firstName"] = $('#firstName').val();
-        saved["phoneNumber"] = $('#phoneNumber').val();
 
         $('#inviteUsername').val( $('#username').val() );
         $('#username').val( 'nonExistingUserName_RpuECtIlVoRKTpYmEkYrAHmPtX4m1U' );
@@ -116,7 +114,6 @@
         $('#retypePassword').val( 'validPassword_123' );
         $('#surname').val( 'validSurname' );
         $('#firstName').val( 'validFirstName' );
-        $('#phoneNumber').val( '5555555555' );
         $('#inviteEmail').val( $('#email').val() );
         $('#email').val( '' );
     }