如何克服Active Directory搜索中的后期绑定

I have a function that retrieves the fullname of a user based on user name and domain. This function runs in ASP.NET thread under an impersonated user. When I use Directory searcher on a remote AD branch, I believe I'm getting the SID number instead of the property (cannot verify it occurs on a different box).I have a function that retrieves the fullname o