DNS/Router/AD issues

Microsoft Windows server 2008 r2 standar...
December 16, 2009 at 00:52:40
Specs: Windows Server 2008R2
I am in need of some help in setting up a Domain in my Home. I've set up a DC on a Win 2k8 R2 standard. The DC is connected to a Router which in turn is connected to the cable modem and to internet.
While configuring the DC, I've assigned it an static ip of (my router ip being As part of domain installation, I've also installed DNS on the DC.
All my machines are connected to a router which is connected again to the first router (lets call it internet).
The issue is all machines can connect to the internet but I cann''t join them to the domain. They can not find the DC.
Question is how do I make my clients see my DC? Am I missing something?

See More: DNS/Router/AD issues

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December 16, 2009 at 01:27:22
All my machines are connected to a router which is connected again to the first router (lets call it internet).

How is this second router configured? It should have DHCP disabled and be connected from LAN port of first router to a LAN port of the second. It then acts only as a network switch.

I'm not sure what benefit you get from having a domain in a home network environment.

Goin' Fishin' (Some day)

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December 16, 2009 at 01:42:06
Actually by 2nd router I meant a network hub not another router. And yes, it doesnt have DHCP. I've not installed DHCP on my AD either. So all my machines are getting the IP from the main router.
I've verified that the ips re dynamically assigned.
The issue is when I ping the machines by name,they get resolved using IPV6 but forcing ping to use IPV4 fails.
I have AD configured as DNS but none of the machines are getting registered in the DNS. ANy thoughts?

BTW: Am trying to setup the domain to start a small business. FYI

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December 16, 2009 at 02:02:32
Sorry, I'm out of my depth here. Only ever used a workgroup.
Hopefully someone with domain experience will come along and help you sort it out.

Goin' Fishin' (Some day)

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December 16, 2009 at 05:52:43
Ok, I know it's silly to pick nits but nomenclature actually IS important.

I doubt very much you're using a hub. Most likely it's a switch. If you're not sure check and in the future, let's call a hand a hand and not a foot....doing that just leads to confusion.

From what I see, you have the following setup:

Internet >> SOHO Router >> Switch >> Server/Clients

Is this correct?

If it is, and your clients aren't able to contact the DC check your DHCP and ensure they're getting the IP of your DC ( as their DNS address

You can open a command prompt window on a client and type:

ipconfig /all

to confirm if they're getting the correct DNS address. If they're not, then you know what your problem is and you have to enter the correct one in your DHCP scope.

You will also need to forward the DNS on your DC to your ISP's DNS server(s).

This way your DC's DNS will resolve all queries inside the local zone and will pass along all external queries to your ISP's DNS server(s).

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