Update session SSO Parameters (ttams0100m000) To activate Single Sign On: Log on to LN using the LN UI. Select LN Tools > Application Configuration > Parameters. Start the SSO Parameters (ttams0100m000) session. Select the SSO Active check box. Specify this information: In the Generic System User field specify a username. Select the Overrule System User Allowed check box. Click Dump to place the information in the $BSE/lib/sso_config directory. See the online help of this session for more specific field information.