IGEL OS 11.06 IGEL OS Articles Smartcard Smartcard Authentication Current: Citrix Legacy ICA Sessions PDF Download PDF Download page Citrix Legacy ICA Sessions. Current page All pages Citrix Legacy ICA Sessions In this scenario, the smartcard middleware has to be installed on the server side.Enable Activate PC/SC Daemon on the Smartcard > PC/SC page under Device or Security.In IGEL Setup, check parameter ica.wfclient.smartcard under System > Registry. Both settings are active by default! ×