I have a SonicWall 2040 with Enhanced OS. We have about 5 Global VPN Client Users. One user is generating a LOT of IPSEC Replay Detected warnings. I've re-installed his client and verified that I am running the latest version of the firmware. There must be something wrong -- or someone is trying to attack this tunnel. What's strange is that the tunnel is not active 24/7 -- these errors begin as soon as this machine connects to the VPN and cease as soon as the tunnel is closed. Any ideas on how to resolve this issue?