If your organization has a need to mass-create AD user accounts, watch this video to see how its done without the need for scripting or other unnecessary complexities.
D:\Exchsrvr\bin>eseutil /p d:\exchsrvr\mdbdata Microsoft(R) Exchange Server Database Utilities Version 6.5 Copyright (C) Microsoft Corporation. All Rights Reserved. Error: Access to source database 'd:\exchsrvr\mdbdata' failed with Jet error -10 32. Operation terminated with error -1032 (JET_errFileAccessDenied, Cannot access fi le, the file is locked or in use) after 33.15 seconds.