Active Directory

public static void AddToActiveDirectory(string UserName, string login, string password, string FirstName, string LastName , string Firm, string mail )
{
try
{
// Make use of the config file to store data
string sUserPath = ConfigurationSettings.AppSettings["ADUserPath"];

DirectoryEntry entry = new DirectoryEntry(sUserPath,
ConfigurationSettings.AppSettings["ADAdminLogin"],
ConfigurationSettings.AppSettings["ADAdminPassword"]);e
 //Create user
DirectoryEntry user = entry.Children.Add("cn=" + UserName, "user");
user.Properties["sAMAccountName"].Add(login); //compte NT
user.Properties["sn"].Add(Nom);
user.Properties["givenName"].Add(Prenom);
user.Properties["description"].Add("Added member " + DateTime.Now.ToLongDateString());
//Additional properties
user.Properties["displayName"].Add(FirstName + " " + LastName + "[" + Firm + "]");
user.Properties["userPrincipalName"].Add(string.Format("{0}@{1}", login, ConfigurationSettings.AppSettings["ADDomain"]));
user.Properties["Mail"].Add(mail);
user.Properties["Company"].Add(Firm);

user.CommitChanges();


user.Invoke("SetPassword", new object[] {password} );
// Create an account ADS_UF_NORMAL_ACCOUNT
user.Properties["userAccountControl"].Value = 0x200;
user.CommitChanges();

//Make a reference to NT group
string LDAPDomain = System.Configuration.ConfigurationSettings.AppSettings["ADGroupePath"];

DirectoryEntry Group= new DirectoryEntry(LDAPDomain,
ConfigurationSettings.AppSettings["ADAdminLogin"],
ConfigurationSettings.AppSettings["ADAdminPassword"]);
//Add the user to the group

Group.Invoke("Add",new Object[]{user.Path.ToString()});
Group.CommitChanges();

Group.Close();
user.Close();

}
catch( Exception exception )
{
Console.WriteLine( exception.Message );
}