I set up VPN client on my workstation in domain contain proxy server and I want to connect to another machine through the net but when installing the VPN and click dial I find user name password and domain so when I put username and password and instead of the domain (domain not regesterd) but part of this domain is the machine on the net so when also try the IP address of the machine instead of the domain and click ok I found the same error as the first is Error 678 There is no answer modem did not pick upb the phone please check the number and try to call again ,and I am not using modem here is net and vpn1 what is wrong