Changing password security levels and upgrading operating systems on the IBM i
Before changing password levels and upgrading operating systems on the AS/400, ensure the clients connecting to the NetServer do not need the old Lanman password and customize the sign-on screen that provides a 128-character password field.
We are also interested in upgrading our operating systems. For production and backup, we want to go from V5R3 to V6R1, and for development, we want to move from V5R4 to V6R1. How will this affect our change in password level planning?
The main considerations are ensuring that the clients connecting to the NetServer don't require the old Lanman password. In addition, if you've customized your sign-on screen, you'll have to customize the version that provides a 128-character password field. This field, as well as the password field on CHGPWD, CRTUSRPRF and CHGUSRPRF commands all switch to allow 128-character passwords.
Finally, changing the levels requires an IPL before they take affect. While the version of the software the clients are running does need consideration, the release of the server (i5/OS), shouldn't be an issue.
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