http://www.gb.tomshardware.com/howto/03q3/030915/index.html
See also Knowledge Base http://support.microsoft.com/default.aspx?scid=kb;n-us;q240262&id=kb;n-us;q240262&ln=en-us&rnk=1&sd=gn&r=1&qry=q240262&rc=DHCS_MSPSS_GN_SRCH &SPR = CHS &
You can also download http://www.fortinet.com.cn/products/forticlient.html client dial programs directly
