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POGet all users in the Active Directory
 

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    <p>I am trying to get a list of all users in the active directory on a domain. The following code is being used but doesn't seem to work:</p> <pre><code>Public Function GetAllUsers(ByVal ldapServerName As String) As Hashtable 'To retrieve list of all LDAP users 'This function returns HashTable _ldapServerName = ldapServerName Dim sServerName As String = "mail" Dim oRoot As DirectoryEntry = New DirectoryEntry("LDAP://" &amp; ldapServerName &amp; _ "/ou=People,dc=mydomainname,dc=com") Dim oSearcher As DirectorySearcher = New DirectorySearcher(oRoot) Dim oResults As SearchResultCollection Dim oResult As SearchResult Dim RetArray As New Hashtable() Try oSearcher.PropertiesToLoad.Add("uid") oSearcher.PropertiesToLoad.Add("givenname") oSearcher.PropertiesToLoad.Add("cn") oResults = oSearcher.FindAll For Each oResult In oResults If Not oResult.GetDirectoryEntry().Properties("cn").Value = "" Then RetArray.Add(oResult.GetDirectoryEntry().Properties("uid").Value, _ oResult.GetDirectoryEntry().Properties("cn").Value) End If Next Catch e As Exception 'MsgBox("Error is " &amp; e.Message) Return RetArray End Try Return RetArray End Function </code></pre> <p>Just to make sure I am doing this correctly, the <code>ldapServerName</code> should be the domain name that I log into that I see when I <kbd>CTRL</kbd>+<kbd>alt</kbd>+<kbd>del</kbd>, correct? Or would that go into the <code>dc=mydomainname</code> part?</p> <p>The first error in that code above is on <code>_ldapServerName = ldapServerName</code></p> <p>The error is says is:</p> <pre><code> Error 14 '_ldapServerName' is not declared. It may be inaccessible due to its protection level. </code></pre> <p><strong>marc_s update</strong></p> <pre><code> ' create a domain context for your default domain Dim ctx As New PrincipalContext(ContextType.Domain) ' define a "query-by-example" to search for Dim searchExample As Principal = New UserPrincipal(ctx) ' define the principal searcher, based on that example principal Dim ps As New PrincipalSearcher(searchExample) ' loop over all principals found by the searcher For Each p As Principal In ps.FindAll() ' do whatever you want to do with the principals Console.WriteLine("Type: {0} / Name: {1}", p.StructuralObjectClass, p.Name) Next </code></pre> <p><strong>update 2</strong></p> <p>When I use IE and input <code>ldap://mydomainhere.com/ou=Users</code></p> <p>I do not get anything... But when I just do this:</p> <pre><code> ldap://mydomainhere.com </code></pre> <p>Then I get the "find people" box pop up. So I know I have the correct <code>LDAP</code> but not sure why the other information is preventing it from working...</p>
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    1. COSo where are you actually declaring `_ldapServerName`, and what's the use of this variable; it's not used in your code!?
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    2. COOk, i took it out and there are no errors now but i do not get any value. I get the error: Error is There is no such object on the server. **How can i find my LDAP?**
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