How can I search Active Directory by username using C#?

Question

I\'m trying to search active directory by the username \'admin\'. I know for a fact that there is a user with that username in the directory, but the search keeps coming bac

Answer 1

var attributeName = "userPrincipalName";
var = "admin"

You need change filter like this

string filter="(&(objectCategory=person)(objectClass=user)(!sAMAccountType=805306370)(attributeName =searchString))";



var ent = new DirectoryEntry("LDAP://"dc=corp,dc=contoso,dc=com")
var mySearcher = new DirectorySearcher(ent);
mySearcher.Filter = filter;

var userResult = mySearcher.FindOne();