what operating system ? I assume Vista
try this
add an "exception" in "Windows Firewall" of the VPN client software (executable file)
Also creat an INBOUND Rule for the UDP Port used (your IT dept will tell you this infomation"
---------- Post added at 13:51 ---------- Previous post was at 13:42 ----------
this may help
http://www.lamnk.com/blog/vpn/cisco-...er-responding/