Open iim.conf.
See iim.conf File Syntax for instructions on locating and modifying iim.conf.
Specify the attribute you want to use to display user names as the value for iim_ldap.userdisplay.
iim_ldap.userdisplay=user_name_attribute |
Specify the attribute you want to use to display group names as the value for iim_ldap.groupdisplay
iim_ldap.groupdisplay=group_name_attribute |
Save and close the file.