RDP over VPN to Windows Server 2008

Posted by bilf on December 22, 2008, 3:49 pm

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Hi Scott,

Any joy? I have almost the same issue...

Our existing VPN server (win2k3) has been working fine for years for
our remote access needs. I have recently added a win2k8 box, with
firewall enabled and correct ports open, but cannot rdc / ping / see the
machine over VPN.

When networked in the office, all of the above work aok. I have also
disabled the firewall on the win2k8 box, just in case, but still no
access over VPN.

Even if I VPN using network admin credentials, remote desktop to the
domain controller / VPN server, I still cannot see the win2k8 server.
When plugged into the office, everything works fine.

I'm thinking maybe win2k8 security policy is in place, but will have to
wait 'till tomorrow to take a look.

Anyone else have any ideas?

nb: this is all using the same IP range. In the office 192.168.35.1 to
100, VPN is 192.168.35.101 to 150, same subnet.

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bilf
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Posted by Scott S. on December 23, 2008, 8:01 am

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You are describing exactly my problem and I have not been able to solve it
for RDP.

I haven't tried anything else in some time, but I thought ping worked when
the firewall was off and I was able to get ping to work by changing the
firewall settings, but I won't bet on it.

I had hoped being in the same subset would fix it, but since you have the
same subset and it still doesn't work, then no joy there.

I also assume it is the security policy since shuting down the firewall
doesn't help. But I have no idea how to see that, let alone change it.

I haven't gone on a vacation since I set the machine up, so there hasn't
been a case when I couldn't just come into the office if needed. But if I
don't solve this soon, I'm going to try RDPing into the DC, then RDP from
that to the Win2k8 machine ... it seems a pain, but it sounds possible as a
work around.

Scott

"bilf" wrote:

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Posted by bilf on December 23, 2008, 2:44 pm

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hi Scott,

I've managed to get rdc over vpn working, and hope this helps (but
unsure if it
will, it looks like something went screwy dduring the
initial setup)

At the office I performed a tracert from the domain controller, and saw
it was
resolving the win2k8 to 192.168.xx.28.

Ipconfig on the win2k8 gave 192.168.xx.2 (assigned by DHCP).

So I removed the win2k8 server from active directory (on the domain
controller),
set a static IP on the win2k8 server, rebooted (it said I
had to), logged in as
local admin, re-joined the domain. I then
flushed the dns on my machine.

And I can now rdc over vpn. Yay!

I hope that this helps, I can understand the frustration of waiting a
day
between attempts. Please let me know if this helps.

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