You are prompted to enter your VPN password every time you try to connect to your IPSec VPN connection. This happens even if you have saved the password in your Mac OS X keychain.
Mac OS X
You get the error message: “The VPN server could not be found. Verify the server address and try reconnecting.” when trying to connect to an IPSec VPN server. on Mac OS X Leopard or Snow Leopard.
SOLUTION: Error “Cannot connect to server because user’s name or password are not correct” when trying to connect to a Windows 2003 Server shared resource from Mac OS X
SOLUTION: Configure OS X to Empty the trash normally.