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Windows 2003 Server With 2 Nics

Hi,

i have a 2003 ad controller with two nics, both nics are on the same subnet. This is causing me untold number of problems like duplicate name found on network etc. The reason i have two nics is becasue i want to use two different gateways ie one gateway for vpn traffic and the other gateway for internet/email traffic.

just wondering if this is viable or not or whats the norm in the this situation.
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kingcastle
Asked:
kingcastle
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2 Solutions
 
KCTSCommented:
Having multiple NICs on a DC is NOT RECOMMENDED, indeed I think I am right in saying that MS do not support such a configuration. You can get around the duplicate name issue by removing NETBIOS from one the the NICs but other issues will no doubt come up.
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lecutisCommented:
Is the server the endpoint/authenticating device for the VPN traffic?
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kingcastleAuthor Commented:
no its just we were hoping to split traffic ie accept incoming traffic on one nic and acceot other incoming traffic on the other nic just to split up the network load really.

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lecutisCommented:
You could try teaming the network card, it allows you to have the bandwidth for both nics but to act as one, ie one ip address etc. There may be software installed on your server to do this.
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dhoffman_98Commented:
You CAN have multiple NIC's on a DC, but not with the configuration you are using.
Multiple NICs on the same subnet is only valid if you are going to be using a teaming driver to create a Teamed network for bandwidth purposes.

You wrote that you want to use one gateway for VPN traffic and the other for Internet traffic. Isn't your VPN traffic coming over the Internet? How will you differentiate between the two?
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kingcastleAuthor Commented:
we have a dedicated line for vpn  traffic on a separate router/gateway
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aissimCommented:
This might not address your situation exactly - but there are some useful configuration pointers: http://support.microsoft.com/kb/272294/?sd=RMVP&fr=1
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dhoffman_98Commented:
OK so if you have a dedicated line for VPN traffic with a separate router, then you can put one NIC on that subnet and one on the regular subnet. Then you can set your default gateway on the system to point to the regular subnet so all "non-VPN" traffic that is set for an external destination will be routed to your regular gateway.
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