When I attempt to connect from a Vista PC (32-bit) I get the user name and password prompt, the user authenticates, and then the tunnel is torn down before phase 2 completes. Thus, the tunnel never establishes completely. The tear-down happens after the user receives an IP address, DNS entries, etc. I am getting the following reason message but it does not exist in the Cisco database when I do a search.
I am peering with a Pix 535 firewall. All other user types have no problems, but the attempts from Vista are all experiencing this issue. I've even gone so far as to turn off Windows Defender and Windows Firewall to no avail.
Can anyone point me in the right direction? I don't even see a "Platform" configuration option in either the client or the Pix 535 configuration. So how can there be a mis-match?