RE: VPN Client
- From: v-crinal@xxxxxxxxxxxxxxxxxxxx ("Crina Li")
- Date: Wed, 08 Feb 2006 06:10:20 GMT
Hi Robert,
Thank you for posting in SBS newsgroup.
From your description, my understanding on this issue is: you cannotestablish the VPN connection to the SBS server by using the 'Connection
Manager' from external clients. If I have misunderstood your concern,
please do not hesitate to let me know.
Would you please help me confirm if you have followed the 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.
For detailed information, you can refer to the following KB articles:
323381 How to Allow Remote Users to Access Your Network in Windows Server
2003
http://support.microsoft.com/?id=323381
323441 How To Install and Configure a Virtual Private Network Server in
Windows
http://support.microsoft.com/?id=323441
If you still cannot establish the VPN connection, please help me to collect
the following information for troubleshooting the problem:
1. What's the VPN server name you entered when you ran the Remote Access
Wizard? Can you ping that name from the external client? The VPN server
name should be the public FQDN or the public IP address of the SBS server.
2. Can you create VPN to SBS through new connection wizard on My Network
Places on external client?
3. Get the IPCONFIG /ALL results when Creating VPN on client computer and
SBS.
4. Can you ping the server name and IP from the problematic client?
5. Would you please post a screen shot to newsgroup?
I am appreciated your time and I look forward to hearing from you.
Best regards,
Crina Li (MSFT)
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--------------------
| From: "Robert Craig" <craigrobert@xxxxxxx>
| Subject: VPN Client
| Date: Tue, 7 Feb 2006 10:31:05 -0800
| | Newsgroups: microsoft.public.windows.server.sbs
| |
| I'd say about 9 out of 10 tries to VPN to my server from another location
| fails. The connection just sits at verifying username and password and
| eventually gives up. Sometimes the error is the remote computer did not
| respond, the other is the server and client could not agree on a PPTP
| connection. What could be wrong?
|
| Using SBS2003
|
| Thanks!
|
| Robert
|
|
|
.
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