1. In a system comprising a directory server including a database for storing directory information and at least one client connected to said directory server through a network, a method of accessing the directory information in said database, comprising the steps of: providing said client with means for defining a transaction; in said directory server: (a) analyzing a request transmitted thereto from said client; (b) treating a sequence of directory information access requests defined as a transaction in said client as a single transaction; and (c) accessing directory information in said database for each transaction.