From the $ prompt, you need to run the CODACAT routine to refresh users. Then use CATUSER and CODAUSER to set up their passwords.
$ RUN EASYSOFT_SQL_SYSTEM:CODACAT Easysoft CODA Catalog Generator Version 1.4 (Build XXX : Release) Copyright (c) 1993-1998 by Easysoft Limited, Wetherby, United Kingdom.
Catalog Directory : EASYSOFT_SQL_CODA_CATALOG Admin Password : ADMIN CODA version : 7.2 Companies within group IAS : *MASTER * (ALL)
Select Company : MASTER
MASTER exists in Catalog. Overwrite, Delete or Refresh users? (O/D/R): R Updating Catalog Refreshing users : MASTER
Select Company :