What VPN client are you using?  I know with the Watchguards that we use
here, there were issues with Vista up until their latest firmware
upgrade.  Also, how does your VPN authenticate?  Again, with the
Watchguard, I have it set to use AD authentication, but forgot to put
the user in the correct security group.  The VPN showed connected, but
no traffic was allowed back to the client from the firewall.

 

Joe Heaton

Employment Training Panel

 

From: Evan Brastow [mailto:[EMAIL PROTECTED] 
Sent: Friday, November 14, 2008 10:07 AM
To: NT System Admin Issues
Subject: What could cause this VPN issue?

 

Hi guys,

 

I have a weird problem and I'm not sure where to start troubleshooting
it.

 

I have a user that bought a new (Vista Ultimate) laptop. I am trying to
set up a VPN connection for them and have been going back and forth to
their house for the better part of the past week trying to get it
working.

 

Basically, this user connects the same way I do with my laptop at home.
Through a wireless router, out to the Internet, in through our
Netscreen, and gets authenticated via our RRAS server. All IP info is
assigned via DHCP.

 

For me, I connect via the VPN, and I can then resolve names on the
company network and attach to server drives. For him, even though he has
all the permissions needed, he can't even resolve his computer name to
connect via RAdmin. 

 

The connection to the VPN works fine and the status in Network
Connections on his laptop indicates that he is connected successfully to
the VPN, but I can't seem to get any DNS services, even though I have it
automatically configured to get all IP and general DNS info via DHCP.

 

It's just so strange... the exact same settings work for me, but not
him. Could his router be somehow blocking DNS info but allowing him to
connect to the VPN? Doesn't seem like it could. It seems like once he
establishes the tunnel, anything should be allowed within that tunnel.

 

Any thoughts on what to try?

 

Thanks,

 

Evan

 

 

 

~ Finally, powerful endpoint security that ISN'T a resource hog! ~
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