If you are using the Cisco VPN Client on Vista (if you can even get it installed, you need one of the latest versions) Then you probably have ran into connection issues. "Connection Reset By Peer" or "Failed to Enable Virtual Adapter" or "User Authentication Failed" etc etc. I recently redid my Vista box and was just having major issues with the Cisco VPN Client. It would connect for 3 minutes, disconnect. 8 minutes, disconnect. 2 Hours, disconnect. I couldn’t stay connected for any period of time. A possible fix?
Set up a constant ping. To a server or device on the network you are connecting to. I have been connected non-stop for 2-3 days now without issue. This was just not happening before.
start->run->cmd> ping <ip or server name> -t
and just let it run in the background, it seems to keep the VPN Client connected!
Steve Novoselac's Blog 
2 replies on “Cisco VPN Client on Microsoft Vista – Connection Issues?”
[…] other day I blogged about getting Cisco VPN to stay connect in Vista. The fix was a constant ping. It is all good but […]
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I have version VISTA pro and version 5.0.02.0090 of cisco vpn. i have also tried versions 5.0.01.0600 and v5.0.00.0340.
Notes:
1) They all seem to take longer to connect than XP.
2) I was getting the firewall policy error but installed ZoneAlarm (it’s free) and I disabled all blocking options in it (bc I still use windows firewall) and that fixed that policy error.
3) They all connected for me but sometimes took several tries. However, recently it will connect and then i can’t browse internet or anything. When that happens it also refuses to disconnect and I have to restart š¦
Maybe you all can figure it out. Below is a link to download all three versions I mentioned via rapidshare. No passwords req’d or viruses or spyware included. š
http://rapidshare.com/files/93818630/CiscoVPNversion5_releases.zip
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