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Removing Members from Groups

To remove an AD LDS user object from an AD LDS group object, bind to the group and the user, and use the Remove method on the group.

You can add the object you remove with the following code example by Adding Members to Groups.

The following Visual Basic Scripting Edition code example uses the GetObject function to bind to an organization object, uses the GetObject function to bind to a group object in an organizationalUnit object of the organization and a user object in the organization, and uses the Remove method to remove the user from the group.

' Remove AD LDS User from AD LDS Group.

Option Explicit

Dim objADAM   ' Binding object.
Dim objGroup  ' Group object.
Dim objUser   ' User object.
Dim strGroup  ' Group.
Dim strPath   ' Binding path.
Dim strOU     ' Organizational unit.
Dim strUser   ' User.

' Construct the binding string.
strPath = "LDAP://localhost:389/O=Fabrikam,C=US"

WScript.Echo "Bind to: " & strPath

' Specify User.
strUser = "CN=TestUser"

' Specify Group.
strGroup = "CN=TestGroup,OU=TestOU"

WScript.Echo "Remove:  " & strUser
WScript.Echo "          from"
WScript.Echo "         " & strGroup

On Error Resume Next

' Bind to root.
Set objADAM = GetObject(strPath)

' Output error if bind fails.
If Err.Number <> vbEmpty Then
    WScript.Echo "Error:   Bind failed."
    WScript.Quit
End If

' Remove User from Group.
Set objGroup = objADAM.GetObject("group", strGroup)
Set objUser  = objADAM.GetObject("user", strUser)
objGroup.Remove objUser.AdsPath

' Output success or error.
If Err.Number <> vbEmpty Then
    WScript.Echo "Error:   Remove failed."
Else
    WScript.Echo "Success: User removed from group."
End If

The following Visual Basic .NET code example uses the DirectoryEntry constructor to bind to an organization object, uses the Find method to bind to a group object in an organizationalUnit object of the organization and a user object in the organization, and uses the Remove method to remove the user from the group.

Imports System
Imports System.DirectoryServices

Namespace ADAM_Examples

    Class RemoveUserFromGroup

        '/ <summary>
        '/ Remove AD LDS User from AD LDS Group.
        '/ </summary>

        <STAThread()>  Shared Sub Main()

            Dim objADAM As DirectoryEntry   ' Binding object.
            Dim objGroup As DirectoryEntry  ' Group object.
            Dim objUser As DirectoryEntry   ' User object.
            Dim strGroup As String          ' Group.
            Dim strPath As String           ' Binding path.
            Dim strUser As String           ' User.

            ' Construct the binding string.
            strPath = "LDAP://localhost:389/O=Fabrikam,C=US"

            Console.WriteLine("Bind to: {0}", strPath)

            ' Get AD LDS object.
            Try
                objADAM = New DirectoryEntry(strPath)
                objADAM.RefreshCache()
            Catch e As Exception
                Console.WriteLine("Error:   Bind failed.")
                Console.WriteLine("         {0}", e.Message)
                Return
            End Try

            ' Specify User.
            strUser = "CN=TestUser"

            ' Specify Group.
            strGroup = "CN=TestGroup,OU=TestOU"

            Console.WriteLine("Remove:  {0}", strUser)
            Console.WriteLine("           from")
            Console.WriteLine("         {0}", strGroup)

            ' Remove User from Group.
            Try
                objGroup = objADAM.Children.Find(strGroup, "group")
                objUser = objADAM.Children.Find(strUser, "user")
                objGroup.Properties("member").Remove(objUser.Properties( _
                    "distinguishedName").Value)
                objGroup.CommitChanges()
            Catch e As Exception
                Console.WriteLine("Error:   Remove failed.")
                Console.WriteLine("         {0}", e.Message)
                Return
            End Try

            ' Output success.
            Console.WriteLine("Success: User removed from group.")
            Return

        End Sub 'Main
    End Class 'RemoveUserFromGroup
End Namespace 'ADAM_Examples

The following C# code example uses the DirectoryEntry constructor to bind to an organization object, uses the Find method to bind to a group object in an organizationalUnit object of the organization and a user object in the organization, and uses the Remove method to remove the user from the group.

using System;
using System.DirectoryServices;

namespace ADAM_Examples
{
    class RemoveUserFromGroup
    {
        /// <summary>
        /// Remove AD LDS User from AD LDS Group.
        /// </summary>
        [STAThread]
        static void Main()
        {
            DirectoryEntry objADAM;   // Binding object.
            DirectoryEntry objGroup;  // Group object.
            DirectoryEntry objUser;   // User object.
            string strGroup;          // Group.
            string strPath;           // Binding path.
            string strUser;           // User.

            // Construct the binding string.
            strPath = "LDAP://localhost:389/O=Fabrikam,C=US";

            Console.WriteLine("Bind to: {0}", strPath);

            // Get AD LDS object.
            try
            {
                objADAM = new DirectoryEntry(strPath);
                objADAM.RefreshCache();
            }
            catch (Exception e)
            {
                Console.WriteLine("Error:   Bind failed.");
                Console.WriteLine("         {0}", e.Message);
                return;
            }

            // Specify User.
            strUser = "CN=TestUser";

            // Specify Group.
            strGroup = "CN=TestGroup,OU=TestOU";

            Console.WriteLine("Remove:  {0}", strUser);
            Console.WriteLine("           from");
            Console.WriteLine("         {0}", strGroup);

            // Remove User from Group.
            try
            {
                objGroup = objADAM.Children.Find(strGroup, "group");
                objUser  = objADAM.Children.Find(strUser, "user");
                objGroup.Properties["member"].Remove(
                    objUser.Properties["distinguishedName"].Value);
                objGroup.CommitChanges();
            }
            catch (Exception e)
            {
                Console.WriteLine("Error:   Remove failed.");
                Console.WriteLine("         {0}", e.Message);
                return;
            }

            // Output success.
            Console.WriteLine("Success: User removed from group.");
            return;
        }
    }
}