Sametime Policy - use tabbed windows

Is there a policy, notes.ini setting or anything we can do to force the use of tabbed windows for multiple chats?

Believe it or not, that was the main reason our company wanted to upgrade to 8.5…

Subject: Help documentation on setting Sametime Preferences

That appears to be an item that isn’t on the policy list:https://infocenters.lotus.com/sametime/index.jsp?topic=/com.ibm.help.sametime.v851.doc/admin/admin_ssc_policies_comm_list_upgr.html

But you can refer to this for setting almost all preferences:

https://infocenters.lotus.com/sametime/index.jsp?topic=/com.ibm.help.sametime.v851.doc/config/config_client_chat_history_pref.html