how to connect to query AD if the web server is not on the domain

Posted on 2011-09-23
Last Modified: 2012-05-12
I have the following code that works great in DEV because the DEV server is on the domain. However when I deploy the files to the web server (not on the domain), my page does not work. Do I put the connection for active directory in the web.config file, or does it get embedded into the c# (sorry, I am new to web development)?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.DirectoryServices;
using System.DirectoryServices.ActiveDirectory;
using System.Text;
using System.Collections;
using System.DirectoryServices;
using System.DirectoryServices.ActiveDirectory;

namespace MasterPageTst.SA
    public partial class SupportRequestSA : System.Web.UI.Page
        protected void Page_Load(object sender, EventArgs e)
            //I tried this with both lines below, I could not get either to work. The Sys Admins created a user named "MyDomain\adquery" for me
			DirectoryEntry group = new DirectoryEntry("LDAP://CN=CSR Admins,OU=ServiceAccounts,DC=MyDomain,DC=COM");
            //DirectoryEntry group = new DirectoryEntry("LDAP://CN=CSR Admins,OU=ServiceAccounts,DC=MyDomain,DC=COM", "MyDomain\adquery", "password123456");
            ArrayList ArrUsers = new ArrayList();
            object members = group.Invoke("Members", null);
            foreach (object member in (IEnumerable)members)
                DirectoryEntry x = new DirectoryEntry(member);
                //ArrUsers.Add(x.Name.Replace("CN=", "")) ;
                //(Replace("CN=", "")
                //ArrUsers.Add(x.Name.Replace("CN=", ""));
            DropDownList3.DataSource = ArrUsers;


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My goal is have the web page build a drop down list from all the users in an AD group....please help....
Question by:sqlagent007
  • 3
  • 2
LVL 49

Accepted Solution

Gustav Brock earned 500 total points
ID: 36594837
First, check that the web server knows where to find a local Domain Controller.

Second, if the web server is in-house, why not enter the web server in AD?
If the web server is not in-house it is likely not able to see your local Domain Controllers.


Author Comment

ID: 36595234
The web server is in house, and the security team does not want the web server to be on the domain.
LVL 49

Expert Comment

by:Gustav Brock
ID: 36595506
So how will your site know about your AD domain when the server doesn't?


Author Closing Comment

ID: 36597072
I got them to put the server on the domain...all is good now.
LVL 49

Expert Comment

by:Gustav Brock
ID: 36597316
Fine! They probably realised that it doesn't hurt.


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