Re: VPN error: 651

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Hi,

Thanks for the help.

I believe we opened the port 1723 but I will check again since I am not near
the router at this time.

If TCP port 1723 is needed also for remote desktop, I then am very sure that
we opened it.

I can use remote desktop to connect to the other system but cannot use
build-in VPN.

One more question, does this error message have anything to do with DSL
modem and/or router as it suggested?



Many thanks.
"Robert L [MS-MVP]" <noreply@xxxxxxxxxxx> wrote in message
news:uHyqdhjIGHA.2300@xxxxxxxxxxxxxxxxxxxxxxx
Can you telnet port 1723? this link may help,

VPN Case Study VPN Error 651 - Your modem (or other connecting device) has
reported an error · VPN Error 733 - the PPP control protocol for this
network protocol is not ...
www.chicagotech.net/casestudy/vpncases.htm


Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"xfile" <cou-cou@xxxxxxxxxxxxxxxxx> wrote in message
news:OcF20KiIGHA.3816@xxxxxxxxxxxxxxxxxxxxxxx
Hi,

Trying to establish VPN connection between two XP Pro systems but always got
the following error message: Error 651: The modem (or other connection
device) has reported a problem.

Searching the net and MS KB did not help much as seems most people got this
error has not resolved the problem.

This error is based on using PPTP VPN. If using Automatic VPN type, error
800 then will come out.

Network service installed are: TCP/IP, File & Printer Sharing, QoS Packet
Scheduler, Client for Microsoft Network

Thanks for your advice


.

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