diff --git a/src/Umbraco.Core/Security/BackOfficeSignInManager.cs b/src/Umbraco.Core/Security/BackOfficeSignInManager.cs
index fc76b2e6bc..b9a285c4a5 100644
--- a/src/Umbraco.Core/Security/BackOfficeSignInManager.cs
+++ b/src/Umbraco.Core/Security/BackOfficeSignInManager.cs
@@ -12,6 +12,7 @@ using Umbraco.Core.Models.Identity;
 
 namespace Umbraco.Core.Security
 {
+    //TODO: In v8 we need to change this to use an int? nullable TKey instead, see notes against overridden TwoFactorSignInAsync
     public class BackOfficeSignInManager : SignInManager<BackOfficeIdentityUser, int>
     {
         private readonly ILogger _logger;
@@ -262,5 +263,67 @@ namespace Umbraco.Core.Security
             }
             return null;
         }
+
+        /// <summary>
+        /// Two factor verification step
+        /// </summary>
+        /// <param name="provider"></param>
+        /// <param name="code"></param>
+        /// <param name="isPersistent"></param>
+        /// <param name="rememberBrowser"></param>
+        /// <returns></returns>
+        /// <remarks>
+        /// This is implemented because we cannot override GetVerifiedUserIdAsync and instead we have to shadow it
+        /// so due to this and because we are using an INT as the TKey and not an object, it can never be null. Adding to that
+        /// the default(int) value returned by the base class is always a valid user (i.e. the admin) so we just have to duplicate
+        /// all of this code to check for -1 instead.
+        /// </remarks>
+        public override async Task<SignInStatus> TwoFactorSignInAsync(string provider, string code, bool isPersistent, bool rememberBrowser)
+        {
+            var userId = await GetVerifiedUserIdAsync();
+            if (userId == -1)
+            {
+                return SignInStatus.Failure;
+            }
+            var user = await UserManager.FindByIdAsync(userId);
+            if (user == null)
+            {
+                return SignInStatus.Failure;
+            }
+            if (await UserManager.IsLockedOutAsync(user.Id))
+            {
+                return SignInStatus.LockedOut;
+            }
+            if (await UserManager.VerifyTwoFactorTokenAsync(user.Id, provider, code))
+            {
+                // When token is verified correctly, clear the access failed count used for lockout
+                await UserManager.ResetAccessFailedCountAsync(user.Id);
+                await SignInAsync(user, isPersistent, rememberBrowser);
+                return SignInStatus.Success;
+            }
+            // If the token is incorrect, record the failure which also may cause the user to be locked out
+            await UserManager.AccessFailedAsync(user.Id);
+            return SignInStatus.Failure;
+        }
+
+        /// <summary>Send a two factor code to a user</summary>
+        /// <param name="provider"></param>
+        /// <returns></returns>
+        /// <remarks>
+        /// This is implemented because we cannot override GetVerifiedUserIdAsync and instead we have to shadow it
+        /// so due to this and because we are using an INT as the TKey and not an object, it can never be null. Adding to that
+        /// the default(int) value returned by the base class is always a valid user (i.e. the admin) so we just have to duplicate
+        /// all of this code to check for -1 instead.
+        /// </remarks>
+        public override async Task<bool> SendTwoFactorCodeAsync(string provider)
+        {
+            var userId = await GetVerifiedUserIdAsync();
+            if (userId == -1)
+                return false;
+
+            var token = await UserManager.GenerateTwoFactorTokenAsync(userId, provider);
+            var identityResult = await UserManager.NotifyTwoFactorTokenAsync(userId, provider, token);
+            return identityResult.Succeeded;
+        }
     }
 }
diff --git a/src/Umbraco.Tests/UdiTests.cs b/src/Umbraco.Tests/UdiTests.cs
index 82608a5513..881bee870f 100644
--- a/src/Umbraco.Tests/UdiTests.cs
+++ b/src/Umbraco.Tests/UdiTests.cs
@@ -14,6 +14,12 @@ namespace Umbraco.Tests
     [TestFixture]
     public class UdiTests : BaseUmbracoApplicationTest
     {
+        [SetUp]
+        public void Setup()
+        {
+            Udi.ResetUdiTypes();
+        }
+
         [Test]
         public void StringUdiCtorTest()
         {
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.controller.js b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.controller.js
index 2d0515d764..734903e46c 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.controller.js
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.controller.js
@@ -5,12 +5,20 @@ function textboxController($scope) {
         $scope.model.config = {};
     }
 
+    $scope.model.maxlength = false;
+    if ($scope.model.config && $scope.model.config.maxChars) {
+        $scope.model.maxlength = true;
+    }
+
     if (!$scope.model.config.maxChars) {
+        // 500 is the maximum number that can be stored
+        // in the database, so set it to the max, even
+        // if no max is specified in the config
         $scope.model.config.maxChars = 500;
     }
 
-    if ($scope.model.config && $scope.model.config.maxChars) {
-        if ($scope.model.value == undefined) {
+    if ($scope.model.maxlength) {
+        if ($scope.model.value === undefined) {
             $scope.model.count = ($scope.model.config.maxChars * 1);
         } else {
             $scope.model.count = ($scope.model.config.maxChars * 1) - $scope.model.value.length;
@@ -19,7 +27,7 @@ function textboxController($scope) {
 
     $scope.model.change = function () {
         if ($scope.model.config && $scope.model.config.maxChars) {
-            if ($scope.model.value == undefined) {
+            if ($scope.model.value === undefined) {
                 $scope.model.count = ($scope.model.config.maxChars * 1);
             } else {
                 $scope.model.count = ($scope.model.config.maxChars * 1) - $scope.model.value.length;
diff --git a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.html b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.html
index a386bd38b9..77656ac618 100644
--- a/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.html
+++ b/src/Umbraco.Web.UI.Client/src/views/propertyeditors/textbox/textbox.html
@@ -7,7 +7,7 @@
            ng-keyup="model.change()" />
     <span class="help-inline" val-msg-for="textbox" val-toggle-msg="valServer"></span>
     <span class="help-inline" val-msg-for="textbox" val-toggle-msg="required"><localize key="general_required">Required</localize></span>
-    <div class="help">
+    <div class="help" ng-if="model.maxlength">
         <strong>{{model.count}}</strong>
         <localize key="textbox_characters_left">characters left</localize>
     </div>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/cs.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/cs.xml
index 04722f9518..4c72991589 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/cs.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/cs.xml
@@ -771,7 +771,7 @@
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Třídění bylo ukončeno.</key>
     <key alias="sortHelp">Abyste nastavili, jak mají být položky seřazeny, přetáhněte jednotlivé z nich nahoru či dolů. Anebo klikněte na hlavičku sloupce pro setřídění celé kolekce</key>
-    <key alias="sortPleaseWait"><![CDATA[ Čekejte, prosím. Položky jsou tříděny a může to chvíli trvat.<br/> <br/> Během třídění nezavírejte toto okno]]></key>
+    <key alias="sortPleaseWait"><![CDATA[ Čekejte, prosím. Položky jsou tříděny a může to chvíli trvat.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">Publikování bylo zrušeno doplňkem třetí strany</key>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/nb.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/nb.xml
index 34d5c9c0bc..06c8eb017f 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/nb.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/nb.xml
@@ -733,7 +733,7 @@ Vennlig hilsen Umbraco roboten
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Sortering ferdig.</key>
     <key alias="sortHelp">Dra elementene opp eller ned for å arrangere dem. Du kan også klikke kolonneoverskriftene for å sortere alt på en gang.</key>
-    <key alias="sortPleaseWait"><![CDATA[Vennligst vent. Elementene blir sortert, dette kan ta litt tid.<br/> <br/> Ikke lukk dette vinduet under sortering]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Vennligst vent. Elementene blir sortert, dette kan ta litt tid.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="operationFailedHeader">En feil oppsto</key>
diff --git a/src/Umbraco.Web.UI/Umbraco/config/lang/zh_tw.xml b/src/Umbraco.Web.UI/Umbraco/config/lang/zh_tw.xml
index 03933f34ff..24b9cc57f0 100644
--- a/src/Umbraco.Web.UI/Umbraco/config/lang/zh_tw.xml
+++ b/src/Umbraco.Web.UI/Umbraco/config/lang/zh_tw.xml
@@ -905,7 +905,7 @@
     <key alias="sortCreationDate">增添時間</key>
     <key alias="sortDone">排序完成。</key>
     <key alias="sortHelp">上下拖拽項目或按一下列頭進行排序</key>
-    <key alias="sortPleaseWait"><![CDATA[ 請稍後。項目正在排序，這需要一點時間。<br/> <br/>排序中請不要關閉視窗。]]></key>
+    <key alias="sortPleaseWait"><![CDATA[ 請稍後。項目正在排序，這需要一點時間。]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="validationFailedHeader">驗證</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/da.xml b/src/Umbraco.Web.UI/umbraco/config/lang/da.xml
index 16ed8de775..4f5bd4fbb5 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/da.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/da.xml
@@ -1014,7 +1014,7 @@ Mange hilsner fra Umbraco robotten
     <key alias="sortCreationDate">Oprettelsesdato</key>
     <key alias="sortDone">Sortering udført</key>
     <key alias="sortHelp">Træk de forskellige sider op eller ned for at indstille hvordan de skal arrangeres, eller klik på kolonnehovederne for at sortere hele rækken af sider</key>
-    <key alias="sortPleaseWait"><![CDATA[Vent venligst mens siderne sorteres. Det kan tage et stykke tid<br/><br/>Luk ikke dette vindue imens]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Vent venligst mens siderne sorteres. Det kan tage et stykke tid.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="operationCancelledHeader">Annulleret</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/de.xml b/src/Umbraco.Web.UI/umbraco/config/lang/de.xml
index 6626cb35c3..5e3740f46c 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/de.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/de.xml
@@ -764,7 +764,7 @@ Wenn Sie sich für Runway entscheiden, können Sie optional Blöcke nutzen, die
     <key alias="sortCreationDate">Erstellungsdatum</key>
     <key alias="sortDone">Sortierung abgeschlossen.</key>
     <key alias="sortHelp">Ziehen Sie die Elemente an ihre gewünschte neue Position.</key>
-    <key alias="sortPleaseWait">Bitte warten, die Seiten werden sortiert. Das kann einen Moment dauern. Bitte schließen Sie dieses Fenster nicht, bis der Sortiervorgang abgeschlossen ist.</key>
+    <key alias="sortPleaseWait">Bitte warten, die Seiten werden sortiert. Das kann einen Moment dauern.</key>
   </area>
   <area alias="speechBubbles">
     <key alias="operationFailedHeader">Fehlgeschlagen</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/en.xml b/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
index 65256f5e78..4d82fa69a4 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/en.xml
@@ -1298,7 +1298,7 @@ To manage your website, simply open the Umbraco back office and start adding con
         <key alias="sortCreationDate">Creation date</key>
         <key alias="sortDone">Sorting complete.</key>
         <key alias="sortHelp">Drag the different items up or down below to set how they should be arranged. Or click the column headers to sort the entire collection of items</key>
-        <key alias="sortPleaseWait"><![CDATA[ Please wait. Items are being sorted, this can take a while.<br/> <br/> Do not close this window during sorting]]></key>
+        <key alias="sortPleaseWait"><![CDATA[Please wait. Items are being sorted, this can take a while.]]></key>
     </area>
     <area alias="speechBubbles">
         <key alias="validationFailedHeader">Validation</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
index 4abe10de31..11461a1581 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/en_us.xml
@@ -1304,7 +1304,7 @@ To manage your website, simply open the Umbraco back office and start adding con
         <key alias="sortCreationDate">Creation date</key>
         <key alias="sortDone">Sorting complete.</key>
         <key alias="sortHelp">Drag the different items up or down below to set how they should be arranged. Or click the column headers to sort the entire collection of items</key>
-        <key alias="sortPleaseWait"><![CDATA[ Please wait. Items are being sorted, this can take a while.<br/> <br/> Do not close this window during sorting]]></key>
+        <key alias="sortPleaseWait"><![CDATA[Please wait. Items are being sorted, this can take a while.]]></key>
     </area>
     <area alias="speechBubbles">
         <key alias="validationFailedHeader">Validation</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/es.xml b/src/Umbraco.Web.UI/umbraco/config/lang/es.xml
index 99283482aa..91c3aa3b0f 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/es.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/es.xml
@@ -685,8 +685,7 @@
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Ordenación completa.</key>
     <key alias="sortHelp">Arrastra las diferentes páginas debajo para colocarlas como deberían estar. O haz click en las cabeceras de las columnas para ordenar todas las páginas</key>
-    <key alias="sortPleaseWait"><![CDATA[Espere por favor, las páginas están siendo ordenadas. El proceso puede durar un poco.<br/>
-<br/> No cierre esta ventana mientras se está ordenando ]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Espere por favor, las páginas están siendo ordenadas. El proceso puede durar un poco.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">La publicación fue cancelada por un complemento de terceros</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/fr.xml b/src/Umbraco.Web.UI/umbraco/config/lang/fr.xml
index 29bcdca039..1d3a237c67 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/fr.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/fr.xml
@@ -1015,7 +1015,7 @@ Pour gérer votre site, ouvrez simplement le backoffice Umbraco et commencez à
     <key alias="sortCreationDate">Date de création</key>
     <key alias="sortDone">Tri achevé.</key>
     <key alias="sortHelp">Faites glisser les différents éléments vers le haut ou vers le bas pour définir la manière dont ils doivent être organisés. Ou cliquez sur les entêtes de colonnes pour trier la collection complète d'éléments</key>
-    <key alias="sortPleaseWait"><![CDATA[Veuillez patienter. Les éléments sont en cours de tri, cela peut prendre un moment.<br/> <br/> Ne fermez pas cette fenêtre durant le tri.]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Veuillez patienter. Les éléments sont en cours de tri, cela peut prendre un moment.]]></key>
   </area>
   <area alias="speechBubbles">
 	<key alias="validationFailedHeader">Validation</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/he.xml b/src/Umbraco.Web.UI/umbraco/config/lang/he.xml
index e8436ec399..a3a562d152 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/he.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/he.xml
@@ -681,7 +681,7 @@ To manage your website, simply open the Umbraco back office and start adding con
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">המיון הושלם.</key>
     <key alias="sortHelp">יש לגרור את הפריטים מעלה או מטה כדי להגדיר את סדר התוכן. או לחץ על כותרת העמודה כדי למיין את כל פריטי התוכן</key>
-    <key alias="sortPleaseWait"><![CDATA[פריטי התוכן ממיונים ברגע זה, תהליך זה לוקח זמן מה.<br/> <br/> נא לא לסגור את החלון בזמן המיון]]></key>
+    <key alias="sortPleaseWait"><![CDATA[פריטי התוכן ממיונים ברגע זה, תהליך זה לוקח זמן מה.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">הפירסום בוטל על ידי תוסף צד שלישי</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/it.xml b/src/Umbraco.Web.UI/umbraco/config/lang/it.xml
index 344b0dc7d5..decce2b78a 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/it.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/it.xml
@@ -657,7 +657,7 @@ Per gestire il tuo sito web, è sufficiente aprire il back office di Umbraco e i
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone"><![CDATA[Ordinamento completato.]]></key>
     <key alias="sortHelp"><![CDATA[Sposta su o giù le pagine trascinandole per determinarne l'ordinamento. Oppure clicca la testata della colonna per ordinare l'intero gruppo di pagine]]></key>
-    <key alias="sortPleaseWait"><![CDATA[Si prega di attendere. Gli elementi sono in fase di ordinamento, questo può richiedere del tempo.<br/> <br/>Non chiudere questa finestra durante l'operazione]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Si prega di attendere. Gli elementi sono in fase di ordinamento, questo può richiedere del tempo.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent"><![CDATA[La pubblicazione è stata cancellata da un add-in di terze parti.]]></key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/ja.xml b/src/Umbraco.Web.UI/umbraco/config/lang/ja.xml
index 575e9d6766..ceb6a05846 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/ja.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/ja.xml
@@ -887,7 +887,7 @@ Runwayをインストールして作られた新しいウェブサイトがど
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">ソートが完了しました。</key>
     <key alias="sortHelp">上下にアイテムをドラッグするなどして適当に配置したり、列のヘッダーをクリックしてコレクション全体をソートできます</key>
-    <key alias="sortPleaseWait"><![CDATA[ 項目の並べ替えには少し時間がかかります。しばらくお待ちください。<br/> <br/> 並び替え中はウィンドウを閉じないでください。]]></key>
+    <key alias="sortPleaseWait"><![CDATA[ 項目の並べ替えには少し時間がかかります。しばらくお待ちください。]]></key>
   </area>
   <area alias="speechBubbles">
 	<key alias="validationFailedHeader">検証</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/ko.xml b/src/Umbraco.Web.UI/umbraco/config/lang/ko.xml
index ac956f85ea..5a2908275f 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/ko.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/ko.xml
@@ -658,7 +658,7 @@
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">정렬 완료</key>
     <key alias="sortHelp">다른 아이템을 마우스로 위,아래로 드래그 하여 이동하거나 열의 헤더를 클릭하여 아이템을 정렬할 수 있습니다</key>
-    <key alias="sortPleaseWait"><![CDATA[잠시 기다리십시오. 아이템을 정렬 하는데 잠시 시간이 소요될 수 있습니다<br/><br/>정렬하는 동안 이 창을 닫지 마십시오]]></key>
+    <key alias="sortPleaseWait"><![CDATA[잠시 기다리십시오. 아이템을 정렬 하는데 잠시 시간이 소요될 수 있습니다]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">3rd party add-in 때문에 발행이 취소되었습니다.</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/nl.xml b/src/Umbraco.Web.UI/umbraco/config/lang/nl.xml
index 7b170cdc41..65fe8341e6 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/nl.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/nl.xml
@@ -949,7 +949,7 @@ Echter, Runway biedt een gemakkelijke basis om je snel op weg te helpen. Als je
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Sorteren gereed.</key>
     <key alias="sortHelp">Sleep de pagina's omhoog of omlaag om de volgorde te veranderen. Of klik op de kolom-header om alle pagina's daarop te sorteren.</key>
-    <key alias="sortPleaseWait"><![CDATA[Een ogenblik geduld. Paginas worden gesorteerd, dit kan even duren.<br/> <br/> Sluit dit venster niet tijdens het sorteren]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Een ogenblik geduld. Paginas worden gesorteerd, dit kan even duren.]]></key>
   </area>
   <area alias="speechBubbles">
 	<key alias="validationFailedHeader">Validatie</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/pl.xml b/src/Umbraco.Web.UI/umbraco/config/lang/pl.xml
index b7ac6c0088..f291aab7ea 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/pl.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/pl.xml
@@ -1012,7 +1012,7 @@ Naciśnij przycisk <strong>instaluj</strong>, aby zainstalować bazę danych Umb
     <key alias="sortCreationDate">Data utworzenia</key>
     <key alias="sortDone">Sortowanie zakończone.</key>
     <key alias="sortHelp">Przesuń poszczególne elementy w górę oraz w dół aż będą w odpowiedniej kolejności lub kliknij na nagłówku kolumny, aby posortować całą kolekcję elementów</key>
-    <key alias="sortPleaseWait"><![CDATA[Proszę czekać. Trwa sortowanie elementów.<br/><br/>Nie zamykaj tego okna podczas sortowania]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Proszę czekać. Trwa sortowanie elementów.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="validationFailedHeader">Walidacja</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/pt.xml b/src/Umbraco.Web.UI/umbraco/config/lang/pt.xml
index dbf494f990..a1f1c69f8e 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/pt.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/pt.xml
@@ -646,7 +646,7 @@ Você pode publicar esta página e todas suas sub-páginas ao selecionar <em>pub
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Classificação concluída.</key>
     <key alias="sortHelp">Arraste os diferentes itens para cima ou para baixo para definir como os mesmos serão arranjados. Ou clique no título da coluna para classificar a coleção completa de itens</key>
-    <key alias="sortPleaseWait"><![CDATA[Favor esperar. Itens estão sendo classificados, isto pode demorar um tempo. <br /><br /> Não feche esta janela durante a classificação]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Favor esperar. Itens estão sendo classificados, isto pode demorar um tempo.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">Publicação foi cancelada por add-in de terceiros</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/ru.xml b/src/Umbraco.Web.UI/umbraco/config/lang/ru.xml
index 86579a2a95..ec24bd69cb 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/ru.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/ru.xml
@@ -1310,7 +1310,7 @@
     <key alias="sortCreationDate">Дата создания</key>
     <key alias="sortDone">Сортировка завершена</key>
     <key alias="sortHelp">Перетаскивайте элементы на нужное место вверх или вниз для определения необходимого Вам порядка сортировки. Также можно использовать заголовки столбцов, чтобы отсортировать все элементы сразу.</key>
-    <key alias="sortPleaseWait"><![CDATA[Пожалуйста, подождите... Страницы сортируются, это может занять некоторое время.<br/> <br/> Не закрывайте это окно до окончания процесса сортировки.]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Пожалуйста, подождите... Страницы сортируются, это может занять некоторое время.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">Процесс публикации был отменен установленным пакетом дополнений.</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/sv.xml b/src/Umbraco.Web.UI/umbraco/config/lang/sv.xml
index d0860820c7..2fae24db21 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/sv.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/sv.xml
@@ -694,7 +694,7 @@
     <key alias="sortCreationDate">Creation date</key>
     <key alias="sortDone">Sortering klar</key>
     <key alias="sortHelp">Välj i vilken ordning du vill ha sidorna genom att dra dem upp eller ner i listan. Du kan också klicka på kolumnrubrikerna för att sortera grupper av sidor</key>
-    <key alias="sortPleaseWait"><![CDATA[Vänta medan sidorna sorteras. Det kan ta en stund.<br/><br/>Stäng inte fönstret under tiden sidorna sorteras.]]></key>
+    <key alias="sortPleaseWait"><![CDATA[Vänta medan sidorna sorteras. Det kan ta en stund.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="contentPublishedFailedByEvent">Publiceringen avbröts av ett tredjepartstillägg</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/tr.xml b/src/Umbraco.Web.UI/umbraco/config/lang/tr.xml
index d8b1c9f85d..3bf32cc50d 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/tr.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/tr.xml
@@ -844,7 +844,7 @@ To manage your website, simply open the Umbraco back office and start adding con
   <area alias="sort">
     <key alias="sortDone">Sorting complete.</key>
     <key alias="sortHelp">Drag the different items up or down below to set how they should be arranged. Or click the column headers to sort the entire collection of items</key>
-    <key alias="sortPleaseWait"><![CDATA[ Please wait. Items are being sorted, this can take a while.<br/> <br/> Do not close this window during sorting]]></key>
+    <key alias="sortPleaseWait"><![CDATA[ Please wait. Items are being sorted, this can take a while.]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="operationFailedHeader">Hata</key>
diff --git a/src/Umbraco.Web.UI/umbraco/config/lang/zh.xml b/src/Umbraco.Web.UI/umbraco/config/lang/zh.xml
index 3202ea5a1b..b34deedc6e 100644
--- a/src/Umbraco.Web.UI/umbraco/config/lang/zh.xml
+++ b/src/Umbraco.Web.UI/umbraco/config/lang/zh.xml
@@ -1065,7 +1065,7 @@
     <key alias="sortCreationDate">创建日期</key>
     <key alias="sortDone">排序完成。</key>
     <key alias="sortHelp">上下拖拽项目或单击列头进行排序</key>
-    <key alias="sortPleaseWait"><![CDATA[正在排序请稍候…<br/><br/>请不要关闭窗口]]></key>
+    <key alias="sortPleaseWait"><![CDATA[正在排序请稍候…]]></key>
   </area>
   <area alias="speechBubbles">
     <key alias="validationFailedHeader">验证</key>
diff --git a/src/Umbraco.Web.UI/umbraco_client/Dialogs/SortDialog.js b/src/Umbraco.Web.UI/umbraco_client/Dialogs/SortDialog.js
index dc74ad95ff..3de038c859 100644
--- a/src/Umbraco.Web.UI/umbraco_client/Dialogs/SortDialog.js
+++ b/src/Umbraco.Web.UI/umbraco_client/Dialogs/SortDialog.js
@@ -105,6 +105,7 @@
             
             //wire up the submit button
             self._opts.submitButton.click(function() {
+                this.disabled = true;
                 self._saveSort();
             });