Well, here we are a year and a half later. The solution is: convert to NSS from NWFS NSS is far more MS-API compatible. Also have your CAD Manager make sure he has the right paths in ABS/ADT Project Navigator .APJ. Under NWFS it gives a "zero file lenth error" but under NSS it gives an intelligle error message, which leads you to correct your simple path error in the APJ application