diff --git a/client/Ntreev.Crema.Client.Users/MenuItems/KickMenuItem.cs b/client/Ntreev.Crema.Client.Users/MenuItems/KickMenuItem.cs
new file mode 100644
index 000000000..6aaf9e2d8
--- /dev/null
+++ b/client/Ntreev.Crema.Client.Users/MenuItems/KickMenuItem.cs
@@ -0,0 +1,61 @@
+//Released under the MIT License.
+//
+//Copyright (c) 2018 Ntreev Soft co., Ltd.
+//
+//Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
+//documentation files (the "Software"), to deal in the Software without restriction, including without limitation the 
+//rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit 
+//persons to whom the Software is furnished to do so, subject to the following conditions:
+//
+//The above copyright notice and this permission notice shall be included in all copies or substantial portions of the 
+//Software.
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
+//WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
+//COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+//OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.ComponentModel.Composition.Primitives;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Ntreev.Crema.Client.Framework;
+using Ntreev.Crema.Client.Users.Properties;
+using Ntreev.ModernUI.Framework;
+
+namespace Ntreev.Crema.Client.Users.MenuItems
+{
+    [Export(typeof(IMenuItem))]
+    [ParentType(typeof(DomainUserTreeItemBase))]
+    class KickMenuItem : MenuItemBase
+    {
+        [Import]
+        private Authenticator authenticator = null;
+
+        public KickMenuItem()
+        {
+            this.DisplayName = Resources.MenuItem_Kick;
+        }
+
+        protected override bool OnCanExecute(object parameter)
+        {
+            if (parameter is IDomainUserDescriptor domainUserDescriptor)
+            {
+                return DomainUserUtility.CanKick(this.authenticator, domainUserDescriptor);
+            }
+
+            return false;
+        }
+
+        protected override async void OnExecute(object parameter)
+        {
+            if (parameter is IDomainUserDescriptor domainUserDescriptor)
+            {
+                await DomainUserUtility.KickAsync(this.authenticator, domainUserDescriptor);
+            }
+        }
+    }
+}
diff --git a/client/Ntreev.Crema.Client.Users/MenuItems/SetOwnerMenuItem.cs b/client/Ntreev.Crema.Client.Users/MenuItems/SetOwnerMenuItem.cs
new file mode 100644
index 000000000..5198cd57e
--- /dev/null
+++ b/client/Ntreev.Crema.Client.Users/MenuItems/SetOwnerMenuItem.cs
@@ -0,0 +1,61 @@
+//Released under the MIT License.
+//
+//Copyright (c) 2018 Ntreev Soft co., Ltd.
+//
+//Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
+//documentation files (the "Software"), to deal in the Software without restriction, including without limitation the 
+//rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit 
+//persons to whom the Software is furnished to do so, subject to the following conditions:
+//
+//The above copyright notice and this permission notice shall be included in all copies or substantial portions of the 
+//Software.
+//
+//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE 
+//WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
+//COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+//OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.ComponentModel.Composition.Primitives;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Ntreev.Crema.Client.Framework;
+using Ntreev.Crema.Client.Users.Properties;
+using Ntreev.ModernUI.Framework;
+
+namespace Ntreev.Crema.Client.Users.MenuItems
+{
+    [Export(typeof(IMenuItem))]
+    [ParentType(typeof(DomainUserTreeItemBase))]
+    class SetOwnerMenuItem : MenuItemBase
+    {
+        [Import]
+        private Authenticator authenticator = null;
+
+        public SetOwnerMenuItem()
+        {
+            this.DisplayName = Resources.MenuItem_SetOwner;
+        }
+
+        protected override bool OnCanExecute(object parameter)
+        {
+            if (parameter is IDomainUserDescriptor domainUserDescriptor)
+            {
+                return DomainUserUtility.CanSetOwner(this.authenticator, domainUserDescriptor);
+            }
+
+            return false;
+        }
+
+        protected override async void OnExecute(object parameter)
+        {
+            if (parameter is IDomainUserDescriptor domainUserDescriptor)
+            {
+                await DomainUserUtility.SetOwnerAsync(this.authenticator, domainUserDescriptor);
+            }
+        }
+    }
+}
diff --git a/client/Ntreev.Crema.Client.Users/Ntreev.Crema.Client.Users.csproj b/client/Ntreev.Crema.Client.Users/Ntreev.Crema.Client.Users.csproj
index 56a66ec2e..23cbf3bd9 100644
--- a/client/Ntreev.Crema.Client.Users/Ntreev.Crema.Client.Users.csproj
+++ b/client/Ntreev.Crema.Client.Users/Ntreev.Crema.Client.Users.csproj
@@ -114,10 +114,12 @@
     <Compile Include="Dialogs\Views\ViewMessageView.xaml.cs">
       <DependentUpon>ViewMessageView.xaml</DependentUpon>
     </Compile>
+    <Compile Include="MenuItems\KickMenuItem.cs" />
     <Compile Include="MenuItems\SendMessageMenuItem.cs" />
     <Compile Include="MenuItems\FileMenus\ChangePasswordMenuItem.cs" />
     <Compile Include="Dialogs\ViewModels\SendMessageViewModel.cs" />
     <Compile Include="Dialogs\ViewModels\ViewMessageViewModel.cs" />
+    <Compile Include="MenuItems\SetOwnerMenuItem.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
     </Compile>
diff --git a/client/Ntreev.Crema.Client.Users/PropertyItems/Views/EditorsView.xaml b/client/Ntreev.Crema.Client.Users/PropertyItems/Views/EditorsView.xaml
index 0caa3d5e8..19a4bebca 100644
--- a/client/Ntreev.Crema.Client.Users/PropertyItems/Views/EditorsView.xaml
+++ b/client/Ntreev.Crema.Client.Users/PropertyItems/Views/EditorsView.xaml
@@ -32,9 +32,6 @@ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
         <DataTemplate x:Key="ListBox_ItemTemplate">
             <DataTemplate.Resources>
                 <nmfc:ExpandableContextMenu x:Key="ListBoxItem_ContextMenu" ItemsSource="{Binding ContextMenus}">
-                    <MenuItem x:Name="SendMessage" Header="{x:Static p:Resources.MenuItem_SendMessage}" />
-                    <MenuItem x:Name="SetOwner" Header="{x:Static p:Resources.MenuItem_SetOwner}" />
-                    <MenuItem x:Name="Kick" Header="{x:Static p:Resources.MenuItem_Kick}" />
                 </nmfc:ExpandableContextMenu>
             </DataTemplate.Resources>
             <DockPanel Background="Transparent" Margin="2" ContextMenu="{StaticResource ListBoxItem_ContextMenu}">