RE: File Access Over VPN
- From: v-crinal@xxxxxxxxxxxxxxxxxxxx ("Crina Li")
- Date: Tue, 27 Jun 2006 06:54:04 GMT
Hi Mike,
Thank you for posting in SBS newsgroup.
From the description, I understand the issue to be: you have created VPNfrom remote client to SBS, however you have encountered some issue when the
remote clients access Shares of SBS. If I have misunderstood your concerns,
please do not hesitate to let me know.
Firstly please double check 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.
If you have followed the above steps, please try the following to see if it
helps:
As I know, there is a known issue when you are using the ISA Server 2000 on
the SBS Server. If that is the case, please call PSS to obtain and apply
the hotfix to see if the problem can be resolved:
897651 VPN clients can no longer access internal resources after you
install Windows Server 2003 Service Pack 1 on a computer that is running
ISA Server 2000
http://support.microsoft.com/default.aspx?scid=kb;EN-US;897651
This issue may also occur if you configure the VPN connection to use the
default gateway on the remote network. This setting overrides the default
gateway settings that you specify in your Transmission Control
Protocol/Internet Protocol (TCP/IP) settings. For detailed information,
please refer to the following KB article:
317025 You Cannot Connect to the Internet After You Connect to a VPN Server
http://support.microsoft.com/?id=317025
If the issue still occurs, would you please help me collect the following
information?
1. Is everything OK if you manually create a VPN connection to the SBS
server? 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
2. Get the IPCONFIG /ALL results when Creating VPN on remote client and SBS.
Hope it helps.
I appreciate your time and look forward to hearing from you.
Best regards,
Crina Li (MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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| Thread-Topic: File Access Over VPN
| thread-index: AcaZKIoBlvNWOGcdSlGlr8k2jxt+XQ==
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| From: =?Utf-8?B?TWlrZU5hcA==?= <MikeNap@xxxxxxxxxxxxxxxxxxxxxxxxx>
| Subject: File Access Over VPN
| Date: Mon, 26 Jun 2006 06:58:02 -0700
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| We're using SBS 03 Premium
| Running: Exchange, ISA, Veritas, Trend Scan Mail
|
| Problem: Have remote users who connect to SBS via VPN to ISA, most times
| browsing network resources is ok.
| There are times the connected user(s) can see/browse share folders and
files
| but sometimes they see the folders but the folder(s) "seem to be empty"
when
| they click the folder for the contents. This condition stays until the
SBS is
| reset.
|
| Thank you for any advise,
| Mike
|
.
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