Trevor,

please make shure that your AIX 4.2.1 has installed some more
patches than the vanilla CD version....mine looks like that
and ADSM is running just fine with PTF Level 13.

-frank-
  Fileset                      Level  State      Description
  Fileset                      Level  State      Description
  ----------------------------------------------------------------------------
  bos.net.tcp.client         4.2.1.4  COMMITTED  TCP/IP Client Support
  bos.net.tcp.server         4.2.1.2  COMMITTED  TCP/IP Server
  bos.net.tcp.smit           4.2.1.1  COMMITTED  TCP/IP SMIT Support
  bos.rte.aio                4.2.1.1  COMMITTED  Asynchronous I/O Extension
  bos.rte.bind_cmds          4.2.1.1  COMMITTED  Binder and Loader Commands
  bos.rte.console            4.2.1.1  COMMITTED  Console
  bos.rte.control            4.2.1.3  COMMITTED  System Control Commands
  bos.rte.diag               4.2.1.2  COMMITTED  Diagnostics
  bos.rte.filesystem         4.2.1.1  COMMITTED  Filesystem Administration
  bos.rte.libc               4.2.1.2  COMMITTED  libc Library
  bos.rte.libs               4.2.1.1  COMMITTED  libs Library
  bos.rte.lvm                4.2.1.2  COMMITTED  Logical Volume Manager
  bos.rte.printers           4.2.1.1  COMMITTED  Front End Printer Support
  bos.rte.security           4.2.1.1  COMMITTED  Base Security Function
  bos.rte.shell              4.2.1.2  COMMITTED  Shells (bsh, ksh, csh)
  bos.rte.tty                4.2.1.3  COMMITTED  Base TTY Support and Commands
  bos.up                     4.2.1.3  COMMITTED  Base Operating System
  devices.scsi.disk.rte      4.2.1.2  COMMITTED  SCSI CD-ROM, Disk, Read/Write
  devices.sys.mca.rte        4.2.1.1  COMMITTED  Micro Channel Bus Software
  devices.tty.rte            4.2.1.1  COMMITTED  TTY Device Driver Support


....this list is not complete......check the fixdist servers for
up to date infos.

-frank-
+----------------------------------------------------------------------+
+----------------------------------------------------------------------+
| E-Mail VNET: kraemerf AT franvm3 DOT rscs / Internet: kraemerf AT vnet.ibm 
DOT com |
| ====== see me at     http://www.rz.uni-frankfurt.de/(tilde)kraemerf  |
+----------------------------------------------------------------------+