Auto-populate IM Roster
Within the {Domain} policies tab, you can check the Instant Messaging shared roster (Populate with all domain users) box. (Click Save immediately.)
In this case, the {install_dir}/config/{domain}/roster.dat file is created with the domain name added. This populates IM rosters with domain users names without necessity to authorize each other.
It is possible to add a group (or more) to this file. Use a single line for each group with the following syntax: [group_name]. You can even delete the domain.
You may want to add more groups and/or domains and have their members still divided into these groups. In this case, use the following syntax:
For example: