reset password using ldap4net

ResetPasswordInAD.cs

 using(var connection = new LdapConnection())
 {
      connection.Connect();
      connection.TrustAllCertificates();
      connection.Bind();

      var attribute = new DirectoryModificationAttribute()
      {
          Name = "unicodePwd",
          LdapModOperation = Native.LdapModOperation.LDAP_MOD_REPLACE
      };

      string password = "\"strongPassword\"";
      byte[] encodedBytes = System.Text.Encoding.Unicode.GetBytes(password);
      attribute.Add<byte[]>(encodedBytes);

      var response = (ModifyResponse)connection.SendRequest(new ModifyRequest("CN=yourUser,CN=Users,dc=dc,dc=local", attribute));
  }