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Web VPN SSL driver error

I have a WebVPN SSL VPN built on a  3825.  I also did this on a 7206 and had the same issue.  It has a 15.1  IOS.  I am using the most current AnyConnect client.

Most  users can connect no problem.  Some users get an error "The VPN driver  has encountered an error" and cannot connect.  I have had a case open  for a month and haven't gotten any help from TAC.  Most users have  Vista, some have XP.  Most have IE8, some have IE7.  But there is no  consistent pattern that I can see for those that get this error.  I am  including the vpn config below, but since most pc's can connect, I think  the config is OK.  I think I have to do womthing on the pC's maybe?   But I have no idea.  Anyone have any ideas

webvpn gateway vpn
ip address 10.1.18.5 port 443
http-redirect port 80
ssl trustpoint TP-self-signed-1529824412
inservice
!
webvpn install svc flash:/webvpn/anyconnect-win-2.5.1025-k9.pkg sequence 1
!
webvpn install svc flash:/webvpn/anyconnect-macosx-i386-2.5.1025-k9.pkg sequence 2
!
webvpn context vpn
logo file logo.jpg
secondary-color #006400
title-color #006400
ssl authenticate verify all
!
  !
policy group policy_1
   functions svc-required
   timeout idle 86400
   timeout session 259200
   svc address-pool "vpn"
   svc keep-client-installed
   svc split include 10.0.0.0 255.0.0.0
   svc split include 192.168.6.0 255.255.255.0
   svc split include 192.168.7.0 255.255.255.0
   svc split include 192.168.17.0 255.255.255.0
   svc split include 192.168.16.0 255.255.255.0
   svc split include 192.168.10.0 255.255.255.0
   svc split include 192.168.8.0 255.255.255.0
   svc split include 192.168.9.0 255.255.255.0
   svc dns-server primary 10.1.2.20
   svc dns-server secondary 10.1.3.32
default-group-policy policy_1
aaa authentication list sdm_vpn_xauth_ml_1
gateway vpn
max-users 250
inservice

1 REPLY
Cisco Employee

Re: Web VPN SSL driver error

Hello,


[1]Make sure that there is no third party software installed  on your PC  which is blocking anyconnect to enable the virtual adapter.

[2]Make sure Routing and Remote Access Service is disabled before starting  nyconnect.

[3]Perform the steps mentioned in the link below:-

http://www.cisco.com/en/US/products/ps6120/products_tech_note09186a00809b4754.shtml#rty

If you have dart tool installed on your machine, please attach the dart logs from working as well as non-working machine.
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