Re: VPN error 721

From: Sharoon Shetty K [MSFT] (sharoons_at_online.microsoft.com)
Date: 07/20/04 

Date: Tue, 20 Jul 2004 18:52:45 +0530

Error 721 is usually caused by the router (or some other router/firewall in
the path) blocking GRE. 

-- 
Thanks,
Sharoon
---------------------------------------------------------
This posting is provided "AS IS" with no warranties, and confers no rights.
"Allan" <anonymous@discussions.microsoft.com> wrote in message
news:01ef01c46e2e$c1dd8e10$3501280a@phx.gbl...
> For nearly 2 years I ran a VPN service on a Windows 2000
> server. Without any changes to the server, the clients,
> XP's, now stop at the "Verifying Username and
> password..." and gives a 721 error.
> I have looked over all the policies, and so on, and I
> even installed a fresh copy of Windows Server 2003 on a
> separate hard disk in the same computer, and there is the
> same error.
> I see in Network Monitor the intitial connection, and
> then the request for authentication, and then a request
> to drop the connection. I can log on locally as the VPN
> user.
> I have conntacted the ISP to see if they imposed any
> filters, but they say as long as we have Internet
> connectivity, that is all they are responsibile for.
> I have checked the routher we use as well.
> Thank you for any assistance.
>
>

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