Posted on 2006-03-19
When I am using a VPN (L2TP/IPSEC) to connect to our RRAS server. I am getting an error messages "Error 789: The L2TP connection attempt failed because the security layer and when I try again I get an error message Error 792: The L2TP connection attempt failed because security negotiation timed out. Any ideas why I am getting this error message.
Could any one tell what ports need to be opened for L2TP/IPSEC and what are protocols on which the L2TP/IPSEC.