diff --git a/Oqtane.Client/Modules/Admin/Register/Index.razor b/Oqtane.Client/Modules/Admin/Register/Index.razor
index f358d905..25104442 100644
--- a/Oqtane.Client/Modules/Admin/Register/Index.razor
+++ b/Oqtane.Client/Modules/Admin/Register/Index.razor
@@ -8,7 +8,7 @@
     <ModuleMessage Message="@_message" Type="MessageType.Info" />
 }
 
-<div class="container">
+<div class="container @_css">
     <div class="form-group">
         <label for="Username" class="control-label">Username: </label>
         <input type="text" class="form-control" placeholder="Username" @bind="@_username" id="Username"/>
@@ -40,9 +40,22 @@
     private string _confirm = string.Empty;
     private string _email = string.Empty;
     private string _displayName = string.Empty;
+    private string _css = string.Empty;
+    private const string displayNone = "d-none";
+
+
 
     public override SecurityAccessLevel SecurityAccessLevel => SecurityAccessLevel.Anonymous;
 
+    protected override void OnInitialized()
+    {
+        if (!PageState.Site.AllowRegistration)
+        {
+            _message = "Registration is Disabled";
+            _css = displayNone;
+        }
+    }
+
     private async Task Register()
     {
         try
diff --git a/Oqtane.Client/Services/NotificationService.cs b/Oqtane.Client/Services/NotificationService.cs
index 6239ca8a..46b813b6 100644
--- a/Oqtane.Client/Services/NotificationService.cs
+++ b/Oqtane.Client/Services/NotificationService.cs
@@ -28,7 +28,7 @@ namespace Oqtane.Services
 
         public async Task<List<Notification>> GetNotificationsAsync(int siteId, string direction, int userId)
         {
-            var notifications = await _http.GetJsonAsync<List<Notification>>($"{Apiurl}? siteid={siteId.ToString()}&direction={direction.ToLower()}&userid={userId.ToString()}");
+            var notifications = await _http.GetJsonAsync<List<Notification>>($"{Apiurl}?siteid={siteId.ToString()}&direction={direction.ToLower()}&userid={userId.ToString()}");
             
             return notifications.OrderByDescending(item => item.CreatedOn).ToList();
         }
diff --git a/Oqtane.Client/Services/UserService.cs b/Oqtane.Client/Services/UserService.cs
index d81077ff..d16142b3 100644
--- a/Oqtane.Client/Services/UserService.cs
+++ b/Oqtane.Client/Services/UserService.cs
@@ -11,12 +11,14 @@ namespace Oqtane.Services
         private readonly HttpClient _http;
         private readonly SiteState _siteState;
         private readonly NavigationManager _navigationManager;
+        private readonly ISiteService _siteService;        
 
-        public UserService(HttpClient http, SiteState siteState, NavigationManager navigationManager)
+        public UserService(HttpClient http, SiteState siteState, NavigationManager navigationManager, ISiteService siteService)
         {
             _http = http;
             _siteState = siteState;
             _navigationManager = navigationManager;
+            _siteService = siteService;
         }
 
         private string Apiurl
@@ -36,6 +38,13 @@ namespace Oqtane.Services
 
         public async Task<User> AddUserAsync(User user)
         {
+            Site site = await _siteService.GetSiteAsync(_siteState.Alias.SiteId, _siteState.Alias);
+
+            if (!site.AllowRegistration)
+            {
+                return null;
+            }
+
             try
             {
                 return await _http.PostJsonAsync<User>(Apiurl, user);
diff --git a/Oqtane.Server/Startup.cs b/Oqtane.Server/Startup.cs
index 77768609..a5dfe59b 100644
--- a/Oqtane.Server/Startup.cs
+++ b/Oqtane.Server/Startup.cs
@@ -9,6 +9,7 @@ using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Identity;
+using Microsoft.AspNetCore.Mvc.Formatters;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -41,7 +42,12 @@ namespace Oqtane
         // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
         public void ConfigureServices(IServiceCollection services)
         {
-            services.AddMvc().AddNewtonsoftJson();
+            services.AddMvc(opt =>
+            {
+                // remove formatter that turns nulls into 204 - No Content responses
+                // sends JSON null instead
+                opt.OutputFormatters.RemoveType<HttpNoContentOutputFormatter>();
+            }).AddNewtonsoftJson();
             services.AddServerSideBlazor();
 
             // setup HttpClient for server side in a client side compatible fashion ( with auth cookie )