Users receive Intermittent error "JCO_ERROR_LOGON_FAILURE: System received an expired SSO ticket on [system] mshost {message server or app server]
Other errors in the log include com.sap.conn.jco.JCoException, RFC_SYS_EXCEPTION(3), error group: 103, key: RFC_ERROR_LOGON_FAILURE, key: RFC_ERROR_SYSTEM_FAILURE