VPN continuously drops

[ahursman52]

All of my users have problems with the VPN. It is set up through our PIX. The connection drops after about five minutes and sometimes will not allow them to connect at all. All of them are receiving the same messages in the Client log.....any help would be greatly appreciated.

The log entry is

Sev=Warning/3 IKE/0xA3000029

No keys are available to decrypt the received ISAKMP payload

[panlamture]

Dear Ahursman,

pls paste u r pix config so we can further diagnose the problem.

[ahursman52]

Here is the relevant parts of the config.....I think.

If you need anything else let me know.

crypto ipsec transform-set low-des esp-des esp-md5-hmac

crypto dynamic-map des-vpn 10 set transform-set low-des

crypto map remote-map 1 ipsec-isakmp

crypto map remote-map 1 match address 101

crypto map remote-map 1 set transform-set low-des

crypto map remote-map 10 ipsec-isakmp dynamic des-vpn

crypto map remote-map 30 ipsec-isakmp

crypto map remote-map 30 match address 102

crypto map remote-map interface outside

isakmp enable outside

isakmp policy 1 authentication pre-share

isakmp policy 1 encryption des

isakmp policy 1 hash md5

isakmp policy 1 group 1

isakmp policy 1 lifetime 86400

isakmp policy 10 authentication pre-share

isakmp policy 10 encryption des

isakmp policy 10 hash md5

isakmp policy 10 group 2

isakmp policy 10 lifetime 86400

vpngroup xxx address-pool ipsec-pool

vpngroup xxx dns-server 192.168.1.10

vpngroup xxx wins-server 192.168.1.10

vpngroup xxx default-domain domain.com

vpngroup xxx split-tunnel split-tunnel

vpngroup xxx idle-time 86400

vpngroup xxx password ******