diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/components/umbGenerateAlias.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/components/umbGenerateAlias.directive.js
index 26164baccb..b9d633b3d8 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/components/umbGenerateAlias.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/components/umbGenerateAlias.directive.js
@@ -7,7 +7,8 @@ angular.module("umbraco.directives")
             scope: {
                 alias: '=',
                 aliasFrom: '=',
-                enableLock: '=?'
+                enableLock: '=?',
+                serverValidationField: '@'
             },
             link: function (scope, element, attrs, ctrl) {
 
@@ -32,7 +33,7 @@ angular.module("umbraco.directives")
                     generateAliasTimeout = $timeout(function () {
                        updateAlias = true;
                         entityResource.getSafeAlias(value, true).then(function (safeAlias) {
-                           if(updateAlias) {
+                            if (updateAlias) {
                               scope.alias = safeAlias.alias;
                            }
                       });
diff --git a/src/Umbraco.Web.UI.Client/src/common/directives/components/umblockedfield.directive.js b/src/Umbraco.Web.UI.Client/src/common/directives/components/umblockedfield.directive.js
index 04fde87de5..a23515ab83 100644
--- a/src/Umbraco.Web.UI.Client/src/common/directives/components/umblockedfield.directive.js
+++ b/src/Umbraco.Web.UI.Client/src/common/directives/components/umblockedfield.directive.js
@@ -11,7 +11,17 @@
 
 	function LockedFieldDirective($timeout, localizationService) {
 
-	    function link(scope, el, attr, ngModel) {
+	    function link(scope, el, attr, ngModelCtrl) {
+            
+	        //watch the ngModel so we can manually update the textbox view value when it changes
+	        // this ensures that the normal flow (i.e. a user editing the text box) occurs so that
+            // the parsers, validators and viewchangelisteners execute
+	        scope.$watch("ngModel", function (newValue, oldValue) {
+                if (newValue !== oldValue) {
+                    scope.lockedFieldForm.lockedField.$setViewValue(newValue);
+                    scope.lockedFieldForm.lockedField.$render();
+                }
+	        });
 
 			var input = el.find('.umb-locked-field__input');
 
@@ -79,7 +89,7 @@
 			replace: true,
 			templateUrl: 'views/components/umb-locked-field.html',
 			scope: {
-				model: '=ngModel',
+			    ngModel: "=",
 				locked: "=?",
 				placeholderText: "=?",
 				regexValidation: "=?",
diff --git a/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js b/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
index d21f297a91..4a690bf0c5 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/contenteditinghelper.service.js
@@ -46,6 +46,8 @@ function contentEditingHelper(fileManager, $q, $location, $routeParams, notifica
                 throw "args.saveMethod is not defined";
             }
 
+            var redirectOnFailure = args.redirectOnFailure !== undefined ? args.redirectOnFailure : true;
+
             var self = this;
 
             //we will use the default one for content if not specified
@@ -75,7 +77,7 @@ function contentEditingHelper(fileManager, $q, $location, $routeParams, notifica
 
                     }, function (err) {
                         self.handleSaveError({
-                            redirectOnFailure: true,
+                            redirectOnFailure: redirectOnFailure,
                             err: err,
                             rebindCallback: function() {
                                 rebindCallback.apply(self, [args.content, err.data]);
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/editor/umb-editor-header.html b/src/Umbraco.Web.UI.Client/src/views/components/editor/umb-editor-header.html
index 5955241fb9..a6e2c4fefd 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/editor/umb-editor-header.html
+++ b/src/Umbraco.Web.UI.Client/src/views/components/editor/umb-editor-header.html
@@ -25,7 +25,12 @@
 
                   <div class="umb-panel-header-name" ng-if="nameLocked">{{ name }}</div>
 
-                  <umb-generate-alias class="umb-panel-header-alias" ng-if="!hideAlias" alias="$parent.alias" alias-from="$parent.name" enable-lock="true"></umb-generate-alias>
+                  <umb-generate-alias class="umb-panel-header-alias" 
+                                      ng-if="!hideAlias" 
+                                      alias="$parent.alias" 
+                                      alias-from="$parent.name" 
+                                      enable-lock="true"
+                                      server-validation-field="Alias"></umb-generate-alias>
 
                   <input type="text" class="umb-panel-header-description" placeholder="Enter description..." ng-if="!hideDescription" ng-model="$parent.description" />
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/umb-generate-alias.html b/src/Umbraco.Web.UI.Client/src/views/components/umb-generate-alias.html
index d68b1cc104..69327474d6 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/umb-generate-alias.html
+++ b/src/Umbraco.Web.UI.Client/src/views/components/umb-generate-alias.html
@@ -4,7 +4,9 @@
     <umb-locked-field
       locked="locked"
       ng-model="alias"
-      placeholder-text="placeholderText">
+      placeholder-text="placeholderText"
+      server-validation-field="{{serverValidationField}}">
     </umb-locked-field>
     </div>
 </div>
+ 
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI.Client/src/views/components/umb-locked-field.html b/src/Umbraco.Web.UI.Client/src/views/components/umb-locked-field.html
index dca8a01ef8..36f3d43dce 100644
--- a/src/Umbraco.Web.UI.Client/src/views/components/umb-locked-field.html
+++ b/src/Umbraco.Web.UI.Client/src/views/components/umb-locked-field.html
@@ -1,4 +1,4 @@
-<ng-form class="umb-locked-field">
+<ng-form name="lockedFieldForm" class="umb-locked-field">
 
    <div class="umb-locked-field__wrapper">
 
@@ -13,7 +13,7 @@
       <input type="text"
          class="umb-locked-field__input"
          name="lockedField"
-         ng-model="model"
+         ng-model="inputModel"
          ng-disabled="locked"
          ng-class="{'-unlocked': !locked}"
          placeholder="{{placeholderText}}"
@@ -21,7 +21,7 @@
          umb-auto-resize
          required
          val-server-field="{{serverValidationField}}"
-         title="{{model}}" />
+         title="{{inputModel}}" />
 
    </div>
 
diff --git a/src/Umbraco.Web.UI.Client/src/views/documenttypes/edit.controller.js b/src/Umbraco.Web.UI.Client/src/views/documenttypes/edit.controller.js
index 641ac1c954..abd6b0fdd2 100644
--- a/src/Umbraco.Web.UI.Client/src/views/documenttypes/edit.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/documenttypes/edit.controller.js
@@ -155,6 +155,10 @@
                     saveMethod: contentTypeResource.save,
                     scope: $scope,
                     content: vm.contentType,
+                    //We do not redirect on failure for doc types - this is because it is not possible to actually save the doc
+                    // type when server side validation fails - as opposed to content where we are capable of saving the content
+                    // item if server side validation fails
+                    redirectOnFailure: false,
                     // we need to rebind... the IDs that have been created!
                     rebindCallback: function (origContentType, savedContentType) {
                         vm.contentType.id = savedContentType.id;
diff --git a/src/Umbraco.Web.UI.Client/src/views/mediatypes/edit.controller.js b/src/Umbraco.Web.UI.Client/src/views/mediatypes/edit.controller.js
index bcfb826811..49133e8713 100644
--- a/src/Umbraco.Web.UI.Client/src/views/mediatypes/edit.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/mediatypes/edit.controller.js
@@ -136,6 +136,10 @@
                     saveMethod: mediaTypeResource.save,
                     scope: $scope,
                     content: vm.contentType,
+                    //We do not redirect on failure for doc types - this is because it is not possible to actually save the doc
+                    // type when server side validation fails - as opposed to content where we are capable of saving the content
+                    // item if server side validation fails
+                    redirectOnFailure: false,
                     //no-op for rebind callback... we don't really need to rebind for content types
                     rebindCallback: angular.noop
                 }).then(function (data) {
diff --git a/src/Umbraco.Web.UI.Client/src/views/membertypes/edit.controller.js b/src/Umbraco.Web.UI.Client/src/views/membertypes/edit.controller.js
index 2999eb6919..3a1d91d2f0 100644
--- a/src/Umbraco.Web.UI.Client/src/views/membertypes/edit.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/membertypes/edit.controller.js
@@ -90,6 +90,10 @@
                     saveMethod: memberTypeResource.save,
                     scope: $scope,
                     content: vm.contentType,
+                    //We do not redirect on failure for doc types - this is because it is not possible to actually save the doc
+                    // type when server side validation fails - as opposed to content where we are capable of saving the content
+                    // item if server side validation fails
+                    redirectOnFailure: false,
                     //no-op for rebind callback... we don't really need to rebind for content types
                     rebindCallback: angular.noop
                 }).then(function (data) {
diff --git a/src/Umbraco.Web/Editors/ContentTypeController.cs b/src/Umbraco.Web/Editors/ContentTypeController.cs
index 4622fee1b5..de072331aa 100644
--- a/src/Umbraco.Web/Editors/ContentTypeController.cs
+++ b/src/Umbraco.Web/Editors/ContentTypeController.cs
@@ -147,10 +147,11 @@ namespace Umbraco.Web.Editors
         public ContentTypeDisplay PostSave(ContentTypeSave contentTypeSave)
         {
             var savedCt = PerformPostSave<IContentType, ContentTypeDisplay>(
-                contentTypeSave:    contentTypeSave,
-                getContentType:     i => Services.ContentTypeService.GetContentType(i),
-                saveContentType:    type => Services.ContentTypeService.Save(type),
-                beforeCreateNew:    ctSave =>
+                contentTypeSave:        contentTypeSave,
+                getContentType:         i => Services.ContentTypeService.GetContentType(i),
+                getContentTypeByAlias:  alias => Services.ContentTypeService.GetContentType(alias),
+                saveContentType:        type => Services.ContentTypeService.Save(type),
+                beforeCreateNew:        ctSave =>
                 {
                     //create a default template if it doesnt exist -but only if default template is == to the content type
                     //TODO: Is this really what we want? What if we don't want any template assigned at all ?
diff --git a/src/Umbraco.Web/Editors/ContentTypeControllerBase.cs b/src/Umbraco.Web/Editors/ContentTypeControllerBase.cs
index 975154e6e8..f90c2c3e6b 100644
--- a/src/Umbraco.Web/Editors/ContentTypeControllerBase.cs
+++ b/src/Umbraco.Web/Editors/ContentTypeControllerBase.cs
@@ -155,6 +155,7 @@ namespace Umbraco.Web.Editors
         protected TContentType PerformPostSave<TContentType, TContentTypeDisplay>(
             ContentTypeSave contentTypeSave,
             Func<int, TContentType> getContentType,
+            Func<string, TContentType> getContentTypeByAlias,
             Action<TContentType> saveContentType,
             bool validateComposition = true,
             Action<ContentTypeSave> beforeCreateNew = null)
@@ -163,6 +164,13 @@ namespace Umbraco.Web.Editors
         {
             var ctId = Convert.ToInt32(contentTypeSave.Id);
             
+            //Validate that there's no other ct with the same name
+            var exists = getContentTypeByAlias(contentTypeSave.Alias);
+            if (exists != null)
+            {
+                ModelState.AddModelError("Alias", "A content type with this alias already exists");
+            }
+
             if (ModelState.IsValid == false)
             {
                 var ct = getContentType(ctId);
diff --git a/src/Umbraco.Web/Editors/MediaTypeController.cs b/src/Umbraco.Web/Editors/MediaTypeController.cs
index d54981ff45..98e80aba25 100644
--- a/src/Umbraco.Web/Editors/MediaTypeController.cs
+++ b/src/Umbraco.Web/Editors/MediaTypeController.cs
@@ -134,9 +134,10 @@ namespace Umbraco.Web.Editors
         public ContentTypeCompositionDisplay PostSave(ContentTypeSave contentTypeSave)
         {
             var savedCt = PerformPostSave<IMediaType, ContentTypeCompositionDisplay>(
-                contentTypeSave:    contentTypeSave,
-                getContentType:     i => Services.ContentTypeService.GetMediaType(i),
-                saveContentType:    type => Services.ContentTypeService.Save(type));
+                contentTypeSave:        contentTypeSave,
+                getContentType:         i => Services.ContentTypeService.GetMediaType(i),
+                getContentTypeByAlias:  alias => Services.ContentTypeService.GetMediaType(alias),
+                saveContentType:        type => Services.ContentTypeService.Save(type));
 
             var display = Mapper.Map<ContentTypeCompositionDisplay>(savedCt);
 
diff --git a/src/Umbraco.Web/Editors/MemberTypeController.cs b/src/Umbraco.Web/Editors/MemberTypeController.cs
index 7716f6ea00..44eafe1500 100644
--- a/src/Umbraco.Web/Editors/MemberTypeController.cs
+++ b/src/Umbraco.Web/Editors/MemberTypeController.cs
@@ -110,10 +110,11 @@ namespace Umbraco.Web.Editors
         public ContentTypeCompositionDisplay PostSave(ContentTypeSave contentTypeSave)
         {
             var savedCt = PerformPostSave<IMemberType, ContentTypeCompositionDisplay>(
-                contentTypeSave:        contentTypeSave,
-                getContentType:         i => Services.MemberTypeService.Get(i),
-                saveContentType:        type => Services.MemberTypeService.Save(type),
-                validateComposition:    false);
+                contentTypeSave:            contentTypeSave,
+                getContentType:             i => Services.MemberTypeService.Get(i),
+                getContentTypeByAlias:      alias => Services.MemberTypeService.Get(alias),
+                saveContentType:            type => Services.MemberTypeService.Save(type),
+                validateComposition:        false);
 
             var display = Mapper.Map<ContentTypeCompositionDisplay>(savedCt);