Previously we had a discussion on ActiveDir Org about using Tree Delete on an OU or other container with a large number of objects, specifically more than 16,000 or so objects (16384 to be even more specific). http://www.activedir.org/ListArchives/tabid/55/view/topic/postid/44636/Default.aspx MSDN Article about the error http://msdn.microsoft.com/en-us/library/cc223490(v=prot.10).aspx And an old blog post from me about the error http://blog.joeware.net/2007/06/01/905/ […]