Error 769 when connecting from home

J

johnk

I have a RRAS server set up for Dial up and VPN
connections. I can connect from all client pc's (98, me,
xp, 2k) on Internal network through a VPN. Also, I can
access the network from the outside when I dial directly
into the RRAS server.

But when I try to connect from home via VPN through dial
up and cable modem, I get "Error 769: The sepcified
destination is not reachable." My first instinct is to
say that our router does not have correct ports opened.
However, ISP says that everything is OK. Any thoughts.

Thank you in advance for any comments.
 
C

Carl DaVault [MSFT]

769 is roughly equivalent to an ICMP "destination unreachable" message.

If you're using PPTP, it probably means you can't make a TCP connection to
your VPN server's PPTP port (TCP 1723).

So... If you are using the server name as the phone number, make sure it
resolves correctly. Check the obvious stuff like "do you have a route to
your VPN server, and a route back" and if that's all good, look for firewall
or NAT problems.

There's info on a PPTP ping application in the link below that's supposed to
be available with the support tools. It should be able to verify whether the
port is really open.

http://support.microsoft.com/default.aspx?scid=kb;en-us;301423
 

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