IPSec VPN with FortiToken Push

Hi,

I am having issues connecting to a remote access IPSec tunnel using 6.4.1 with FTM push. I get the push notification, and when i hit accept, it says login successful. However, i do not see the tunnel connection complete. It stays in a connecting state waiting for the FTM authentication. Any attempt to re-authenticate just pushes the token back to my mobile. In the release notes, there is mention that there is a 15 second wait for the client to show it is connected, but it just sits there and does not connect. Running a packet capture, i see that the FTM interface is seeing the token authentication, it just does not do anything with it. It gets stuck in a TCP re-transmission error. Using FTM push with SSL works, no issue. I am using FortiOS 6.4.3.