In addition to above, check the attached links for the Business Functions to be activated.
http://help.sap.com/SCENARIOS_BUS2008/helpdata/EN/46/493a7a5ac60db7e10000000a1553f6/content.htm
http://help.sap.com/erp2005_ehp_04/helpdata/en/b2/053e3992124bd5b0caaab28b14c76d/content.htm