DUNS ERROR 800
800 - Unable to
establish the VPN connection. The VPN server may be un-reachable, or security
parameters may not be configured properly for this connection.
This error may occur if a Virtual Private Network connection is
specified, but fails to authenticate. See this Microsoft how-to article on using
Private Networks for Secure Internet Data Transfer.
Some of the reasons this error occurs include:
The PPTP or L2TP server is not reachable. A firewall could be
blocking traffic; the server name specified in your connection could be
Your connection configuration might prevent IPSec from
establishing a secure channel with the server. A network component such as
Network Address Translation (NAT) or a firewall might be blocking IPSec traffic.
Verify whether you have a current machine certificate or that
the pre-shared key is correct. Check the security settings in the properties for
your network connection.
There are no free VPN ports on the server (over-subscribed -
maximum number of users already connected).
This error applies to Windows 2000 & XP.
Back to all DUNS errors