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Hi all,

Here's the situation:

Server with W2K (sp4) and Kerio firewall 6.2.1 (build 1454)
KWF is configured with NAT and allow all for any connection.

1 nic connected to the LAN
1 nic connected to Internet router

Now.... let's talk Microsoft VPN (PPTP):
from server (as client) to any VPN server on the internet: no problemo
from XP workstation behind KWF to Microsoft VPN server on the internet: no problemo
from XP workstation behind KWF to Draytek router with VPN on the internet: Error 721!!!

But not always! Randomly I will be able to establish a connection, let's say 1 out of 100 attempts or so.

When trying to connect I will see 2 connections showing up in KWF:
rule service source destination
NAT GRE <myLocalIP> <remoteIP>
NAT PPTP <myLocalIP> <remoteIP>

Anyone having an idea on this one?

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