CHunky Universe of Vigourous Astonishing SHarepoint :)

Retrieve information from AD

Here is a a link you can start with.

To test AD, install AD. Then we canplay with it. Take a look those examples, too.

PrincipalSearcher vs. DirectorySearcher

What is the difference?


Here are two examples (one for PrincipalSearcher and the other for DirectorySearcher) to retrieve users from an OU:

internal static void ListPrincipalsFromOu()
	using(var ctx = new PrincipalContext(ContextType.Domain, "takana.local", "OU=SOME_OU ,DC=takana, DC=local"))
		using (var up = new UserPrincipal(ctx))
			using (var ps = new PrincipalSearcher(up))
				using (var res = ps.FindAll())
					foreach (var p in res)

internal static void ListAdEntriesFromOu()
	const string property = "sAMAccountName";
	var ldapcon = new DirectoryEntry("takana.local") {
		Path = "LDAP://OU=SOME_OU,DC=takana,DC=local"
	var search = new DirectorySearcher(ldapcon);

	using (var results = search.FindAll())
		foreach (System.DirectoryServices.SearchResult result in results)
			using (var entry = result.GetDirectoryEntry())
				if (entry.Properties[property].Count > 0)

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