Defining the whitelist for the service user role Start the API Roles (ttmtm6145m000) session. Select API role LNAPI_MACHINES. Select References > Whitelist by Role . The API Whitelist Identities (ttmtm6150m000) session starts. Add the API identities of the 20 machines (lnapi_mach_1 through lnapi_mach_20).