Re: Can't see internal machines over VPN

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 Can ping VPN server only but not other resources

Symptom: after establishing VPN, you can ping and access the VPN server, but not other servers and the network resources.

Cause: 1. incorrect NAT/Firewall settings.
2. ISA/Proxy blocking.
3. Disable IP routing/forwarding.

For more and other information, go to http://howtonetworking.com.

Don't send e-mail or reply to me except you need consulting services. Posting on MS newsgroup will benefit all readers and you may get more help.

Bob Lin, MS-MVP, MCSE & CNE
How to Setup Windows, Network, Remote Access on http://www.HowToNetworking.com
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
This posting is provided "AS IS" with no warranties.

After going through "Virtual Private Networking with Windows Server
2003: Deploying Remote Access VPNs"
(http://www.microsoft.com/technet/prodtechnol/windowsserver2003/technologies/networking/vpndeplr.mspx)
I thought I had all the tools necessary to deploy a VPN solution here
at home, but apparently I'm still missing something.

I've got a Windows Server 2003 Standard Edition box with two static-IP
NICs that I'm using for my VPN server, and I've configured it for PPTP
access (no RADIUS), opting out of the automatic port filtering
configuration.  I've got the port forwarding and PPTP Pass Through
configured on my Linksys BEFSR41 router (firmware version 1.46.02).

And indeed, everything connection/authentication-related seems to be
working fine.  I can connect to my VPN server without any problems.
Once connected, I can ping both of the local network interfaces of the
VPN server.  But I can't ping any other machines on the network (and I
skipped name resolution and went straight for IP addresses; no dice).

It almost seems like some sort of permissions configuration that I'm
missing.  That, or something to do with misconfigured gateways maybe.
Anyway, I've been scouring the 'net without much success for a
solution.  Any help would be greatly appreciated at this point!

Thanks,
Kevin

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