Please forgive my long explanation below:
we have two Cisco VPN concentrator 3 and we use Windows XP Pro for all users with Cisco VPN client version 5+ installed. users on XP has no problem connecting remotely using the VPN client through theCisco VPN concentrator however, we have a few executives who are on Windows Vista (they need to be for statistical purposes) and they have issues recently.
the problem is:
when trying to connect remotely using Cisco VPN Cient, it gets a log time for the client to "secure the communication Channel" and it eventually times out.
Whats very strenge, is that, after a few tries, they can login and the client finaly gets through the securing communication channel phase!
if there is a compatibility issue then it shouldn't work at all but it will work after a few tries and only has problem when the client trys to secure the communication channel.
the transposrt is set to use IPSec over TCP over port 10000 and the peer response time is et to 90 sec.
I really appreciate iff someone could please shed some light on this and help me resolving this issue.