There are multiple factors that can affect your VPNconnectivity, using the NetDefend software.
Possible errors in Main Mode
Your VPN Client cannot reach the VPN Server.
Check that you assigned your profile a correctGateway, in IPSec General Settings. Testby PINGING the gateway.
The gateway may be either an IP address or a domain name. (tryboth)
Error on your local machine, possible conflict with other VPNClients installed.
Reinstall the software, uninstall other VPNsoftware. Install software on another machine.
The Pre Shared Key (PSK) does not match. Could also mean thatNAT Traversal (NAT-T) is active, but cannot be used.
Verify that the same PSK is used on both client and server.Uncheck NAT-T if necessary. For a list of NAT-T supported products,look
Possible errors in Aggressive Mode
Mode not matching
Set the same mode on client and server, eitherMAIN or AGGRESSIVE
NAT-T or XAUTH settings do not match.
Disable NAT-T, disable XAUTH
IKE Proposal or Remote Networks is incorrect
Verify address in Remote Networks. It should have the IP rangeand subnet mask of the remote machines you wish tocommunicate with. Verify IKE proposal.