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Domain computers and internet connection

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  • Domain
  • Computers
  • Business Computing
  • Internet Connection
Last response: in Business Computing
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June 18, 2013 5:11:14 PM

I'm playing around with virtual box and setting up my own "corporate" type network, a DC on Win Server 2008 R3 with 3 computers Win7, managed in AD. Probably a dumb question, but in the physical world how would those 3 domain computers get their internet..i know from cables but those cables go somewhere, to a switch or something, but server end, wheres the internet connection coming from and how do i get them to my domain computers?

More about : domain computers internet connection

June 19, 2013 5:43:35 AM

I think this is more or less the answer you are looking for:

Your Domain Controller would manage DNS & DHCP in that type of situation. If your domain workstations aren't being assigned IP addresses then it is DHCP. If you don't have the DNS role configured , then they won't be able to "get" to the internet - so make sure you have the DNS & DHCP roles installed on the Server 2008 R2 box. A great way to test if this is your problem is to open up internet explorer on one of the workstations and try browsing to:

http://74.125.227.194/
If you get a webpage, then it's DNS

If you don't and the workstations are being assigned IP addresses via DHCP, then it's likely you don't have your virtual switch configured correctly or could be a plethora of other problems.

Hope this sort of answers your question. It was kind of vague, but if I didn't help then more specifically let me know and I'll try to better address your question.
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June 19, 2013 12:09:17 PM

yea the computers are getting ip from dhcp
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June 19, 2013 1:15:45 PM

How do you have the adapters setup on the workstations (within Virtual Box)?
Do you have this virtual environment segmented from your normal environment or does it bleed across into it?
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June 19, 2013 3:24:38 PM

cscott_it said:
How do you have the adapters setup on the workstations (within Virtual Box)?
Do you have this virtual environment segmented from your normal environment or does it bleed across into it?


the DC is server 208 rc2 and it has two adapters, one is NAT and the other is internal network..the computers on the domain have only 1, internal
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June 19, 2013 3:48:24 PM

Basically all of the workstations in the domain need to have their DNS server listed as the IP address of the domain controller. If you are trying to have all of your workstations actually get to the internet THROUGH your DNS server (hence the two network adapters) then this is something entirely different. This would be a ICS or Internet Connection Sharing server. VirtualBox is kind of limited in its networking capabilities and this might be the way you have to do it if you are unable to share multiple virtual NICs onto a single physical NIC to get them out onto the network.
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June 19, 2013 4:02:05 PM

choucove said:
Basically all of the workstations in the domain need to have their DNS server listed as the IP address of the domain controller. If you are trying to have all of your workstations actually get to the internet THROUGH your DNS server (hence the two network adapters) then this is something entirely different. This would be a ICS or Internet Connection Sharing server. VirtualBox is kind of limited in its networking capabilities and this might be the way you have to do it if you are unable to share multiple virtual NICs onto a single physical NIC to get them out onto the network.


ok yea, i know how to physically do it to get the comptuers to do it, virtual is a different task i guess :D 
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June 20, 2013 5:09:27 AM

Yeah - the only thing I use virtual box for is for BDR (Backup Disaster Recovery) testing (making sure backups virtualize). I don't recall if VMware Player lets you have multiple guests running simultaneously or not - but I would look into VMware or Hyper-V (if you have Win 8 Pro) instead of Virtual Box as I've found them to both be better for virtual environments.
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June 20, 2013 5:21:05 AM

yea my CPU doesnt support hyper V :( 
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Best solution

June 20, 2013 11:05:13 AM

Well, in this case I'd recommend looking at the network settings on each individual virtual workstation.
Check the guest configuration to make sure networking is correctly setup and play with the settings until you find one that can communicate outside of the virtual environment.
Make sure that the guests can communicate with the server.
Make sure that the guests are getting correct DNS information from the host.
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