I have a small page I need to write for my company to list all empoyees. This in effect becomes the in-house phone roster. Makes sense, right? I though it'd be no problem. I know I can manipulate AD from an ASP.NET page, so I'll put together this app no problems. OK, my hubris got the best of me. I queried the AD Directory service no problem: DirectoryEntry server = new DirectoryEntry(); DirectorySearcher searcher = new DirectorySearcher(); searcher.SearchRoot = server; searcher.SearchScope = SearchScope.Subtree; ......