File sharing over VPN

I've configured my Win2k3 machine as both a file server
and a VPN server. I set my colleague up as a local user,
and he is able to connect through the VPN. He gets the
connection and I can see him in Routing and Remote Access.

However, he is not able to see any shared drives, either
on the machine or on other machines in the network. He
cannot see the machines, either. Locally all seems working
well. The shared directories give full access to Everyone,
and to the groups this user is in.

Help, anyone? What have I missed here?

quoted form http://www.ChicagoTech.net
Unable to browse through PPTP/VPN connection
Symptoms: 1. If the WINS server is on the same computer as the PPTP/VPN
server, and you attempt to connect to a computer using a PPTP/VPN client,
you may experience following problem: 1) The NetBIOS name of the computer to
which you are attempting to connect is not resolved. 2) You may receive an
error message similar to the following error message: "System error 53 has
occurred. The network path was not found" when using net view or opening
Network Knighthood.
2. If the WINS server is not on the same computer as the PPTP server and you
attempt to connect to a computer using a PPTP client, you may be able to
connect to computers on your local area network (LAN), but you may be unable
to connect to network shares or resources on the PPTP server.
Resolutions: Inability to browse often means the client can't resolve
NetBIOS names.
1. If this is a workgroup network, enable NetBIOS over TCP/IP on the server
and clients.
2. If this is domain network and the WINS server is on the same computer as
the PPTP/VPN server, move the WINS server to a different computer.
3. Add the NetBEUI protocol for your PPTP tunnel instead of, or in addition
to, TCP/IP.
4. By default, most routers and firewalls prevent the transmission of
NetBIOS names unless you enable UDP ports 137 and 138 and TCP port 139. Try
to enable UDP ports 137 and 138 and TCP port 139 across all routers and
firewalls between the PPTP/VPN client and PPTP/VPN server.
5. Make sure the client has correct DNS, WINS and Master Browser settings.
6. Make sure the default gateway points to the remote network rather than to
the ISP.
7. Some ISP might block ports required for NetBIOS name broadcasts.
8. If WINS address is not distributed upon connection to VPN, LMHOSTS should
be configured to enable Domain to be located.
9. If you try these techniques and the client still can't browse, try to use
UNC to connect to the remote resources by ip, for example, use the net use
h: \\serverip\sharename command.

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Robert Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN, Anti-Virus, Tips & Troubleshooting on
http://www.ChicagoTech.net
This posting is provided "AS IS" with no warranties.

"Pete Kloppenburg" <(E-Mail Removed)> wrote in message
news:1bcf01c3e045$eb535c60$(E-Mail Removed)...
> I've configured my Win2k3 machine as both a file server
> and a VPN server. I set my colleague up as a local user,
> and he is able to connect through the VPN. He gets the
> connection and I can see him in Routing and Remote Access.
>
> However, he is not able to see any shared drives, either
> on the machine or on other machines in the network. He
> cannot see the machines, either. Locally all seems working
> well. The shared directories give full access to Everyone,
> and to the groups this user is in.
>
> Help, anyone? What have I missed here?