What is the purpose of the GROUP= in the ACFFDR?
Group allows an organization to group together important fields in the ACF2 logonid record into something that makes sense for that organization. The defaults that CA used made sense for a default view.
GROUP=0|nn
Identifies the display group where the output is to be formatted. See @GROUP - Group Name for Record Formatting for information about how to add or modify groups and group names.