RE: VPN Connection problem

Thank you for all your assistance.
jmiller

"jmillerWV" wrote:

Thank you for your reply. I will attempt to answer your questions.
1.)I am checking with the manufacturer of the router about protocol 47.
Though I tend to believe it is forwarding protocol 47 because I have 2 field
people that are using VPN into the office everyday with no difficulties.
2.)Yes hooking a laptop directly to the router allows me to connect and see
the resources on my network as well as mapping network drives on the network.
3.) Have tried this but same results. It will log in and connect to the
server but no resources are available.
4.) I have followed the instructions in both the articles you supplied with
same results. This is the way I make any VPN conntection. Didn't know there
was a automatic way of doing it.
5.) I will get the IPconfig info later from home. I have used the CEICW and
remote access wizards to set up the server several times. same results.

Hope this helps.

John Miller


""Crina Li"" wrote:

Hi John,

Thank you for posting in SBS newsgroup.

From the description, I understand the issue to be: you can not access
network resource when you VPN to SBS from your home computer. If I have
misunderstood your concerns, please do not hesitate to let me know.

To narrow down the problem, would you please help me collect the following
information?

1. As I know, TCP 1723 (PPTP VPN connection) and GRE port (protocol number
47.This port is used for incoming PPTP VPN connection) are needed to open
when you create VPN. Please firstly make sure your route is allowing
protocol GRE/47.
2. Do you mean VPN work normally and you can access any resource when you
connect a laptop to external NIC of SBS or router?
3. Please connect the worked laptop to your home network to see how thing
goes.
4. Is everything OK if you manually create a VPN connection to the SBS
server on your home computer? To do so, see:

305550How to configure a VPN connection to your corporate network in
Windows XP Professional
http://support.microsoft.com/default.aspx?scid=kb;EN-US;305550

314076 How to configure a connection to a virtual private network (VPN) in
http://support.microsoft.com/?id=314076

5. Get the IPCONFIG /ALL results when Creating VPN on your home computer
and SBS.

I also provide the general steps below to configure VPN access on an SBS
environment:

1. Run CEICW, follow the wizard and select Enable firewall and then make
sure Virtual Private Networking (VPN) is selected in the Services
Configuration page. And make sure you have typed the public FQDN of the SBS
server on the Web Server Certificate page.
2. Run Remote Access Wizard in Server Management\Internet and
E-mail\Configure Remote Access, and select VPN access in the Remote Access
Method page. After finishing this wizard, RRAS is configured to allow
inbound VPN access, and it can assign IP addresses to the VPN clients by
using DHCP.

Note: When we run the remote access wizard to set up the VPN service, we
need to input the public IP address or the public FQDN of the SBS server.
We need to make sure that the address can be accessed from the internet.

3. On the VPN client, go to https://publicFQDN/remote, clear I'm using a
public or shared computer, log in and download Connection Manager.
4. Install Connection Manager on the VPN client.
5. Is there a hardware router installed in front of the SBS server? If so,
ensure that the port forwarding for TCP 1723 and GRE port (protocol number
47) are opened. PPTP VPN is negotiating a connection on TCP port 1723 and
send data to and from the PPTP server using the GRE protocol (IP Protocol
47, 0x2F if you are looking in Network Monitor). You should open port 1723
on the router and also make sure IP Protocol 47 is allowed.

I appreciate your time and look forward to hearing form you.

Best regards,

Crina Li (MSFT)

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--------------------
| Thread-Topic: VPN Connection problem
| thread-index: AcY9SscJY5mYI4/qRsiCgksgyjt7yA==
| X-WBNR-Posting-Host: 12.20.121.53
| From: =?Utf-8?B?am1pbGxlcldW?= <jmillerWV@xxxxxxxxxxxxxxxxxxxxxxxxx>
| Subject: VPN Connection problem
| Date: Wed, 1 Mar 2006 08:11:20 -0800
| Lines: 16
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|
| Am having trouble with VPN. info:
| SBS server 2k3 running ISA2k4 2 nics one to internal network (switch)
other
| to a Netgear FVS318 firewall router connected to a 3com Cable modem. Port
| 1723 open on router and pointing to the external facing nic. Have run
CEICW
| and Remote access wizards to connect VPN. from home I have WinXP pro all
| service packs and patches, a DSL modem and connection via Verizon DSL.
|
| I can connect to the server via VPN, it requests login info and then
tells
| me I am connected. Problem is I cannot reach any resources on my network.
| Funny thing is that I have 2 field people that are using VPN to get to
their
| folders with no problem. Neither one of them are running Verizon DSL. Has
| anyone run into this probelm? If so can someone help? I connected a
laptop to
| my router in the office and got right on. Thanks for any assistance. I
don't
| want to go to RWW as I cannot get it working either.
|
| John
|


.

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