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Quick Sever question

M

Monkeypox

Weaksauce
Joined
May 21, 2007
Messages
71
edit: make that "server" question...


I'm setting up a Server 2012 Essentials box and I have all my clients connected, etc... The server is using a vpn proxy, and that's configured properly as well.

The issue is that all my clients are using the server for DNS and I'm not sure how to change that.
When I go to the clients directly, a mix of win 7 and 8, I can change the IPv4 settings and all works properly, but when they restart, it reverts back to the server's dns.
I assume a GPO or something similar would resolve this, but I've no idea where to begin looking or what string to change.

Any help would be appreciated.
 
Whats giving out IP addresses?
What are you changing when "I can change the IPv4 settings and all works properly" (Im guessing the DNS entry under TCP-IP?)
 
Is the server running DHCP for the network? I haven't touched 2012, but I assume it's DHCP in which case you should be able to go to Administrative Tools, and DHCP, open the scope, and navigate to scope options, where you can define the DNS servers to be pushed. (All based on 2008, no clue what it looks like in 12')

Of course, if it's acting as a Domain Controller, you'll need to use it for client's DNS anyway... what are you trying to accomplish by changing them?
 
This is a local network, so DHCP is being run by the router. The server is being used as a DC.

Since the server has a permanent vpn connection, the clients are painfully slow when doing dns lookups. If I set the clients NIC adapter settings to auto use DNS, it resolves to the router and all is fine. If I configure manually, say to google's DNS server, all is fine.
The problem is that neither of those settings is retained on restart. I'm just not smart enough to know how to configure the server to make all the clients use a different DNS route that bypasses the vpn
 
If the server is the DC, then it should also be the DNS server for the network.

What is the 'permanent VPN connection' on the server. Do you mean it is acting as a VPN server, or is it a client connecting to another server somewhere?
 
Do you have options for creating the VPN tunnel on the router/firewall instead?

What other functions are on the server, and how many nics/ips does it have?
 
1 NIC. Can't create the tunnel on the router.
Its a standard 2012 Essentials server.
 
Why not just add forwarders for those names that can't be resolved locally? That's what I did with my DC. It's the DNS, but forwards to OpenDNS servers.
 
So any traffic from my clients with private IPs I can forward to different DNS server and any external traffic from the server will resolve through the VPN?
Is that how it would work?

Not sure how to do that if that's the case but I suppose I could try the google.
 
As I understand it, anything that can't be resolved with your server (either private IP or VPN) will be forwarded to the other DNS server you put in there.
 
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