Re: Can't VPN out of my network; but successful from home DSL

From: Marc Reynolds [MSFT] (
Date: 03/12/04

Date: Fri, 12 Mar 2004 07:09:25 -0600

Sounds like a router is blocking IP Protocol 47 (GRE).

Marc Reynolds
Microsoft Technical Support
This posting is provided "AS IS" with no warranties, and confers no rights.
"Do" <> wrote in message
> Hi,
>   I am trying to VPN to a network that is offsite.
> I setup the PPTP Win2k client up correctly, but I can't seem to connect to
> the server from the office.
> We have a small LAN with AD.  Our firewall/router allows all outbound
> protocols.
> I get an Error 800.
> I try with the exact same settings from my home Internet, and it works.
> What gives?
> Do

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