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I have installed Windows Server 2012 on a VM (ESXi) for testing/learning purpose and I also like to install DHCP Server as well but this will conflict with my ISP router and I don't want to disable DHCP from my router.

How do I create a separate network but still have access to internet?

I have two Ethernet ports on my server, Eth0 is connected to a switch via ISP router. Eth1 is not plugged.

  • Eth0 - vSwitch0
  • Eth1 - vSwitch1

The DC is set to Eth1 and I have created separate network on Windows network setting (IP:, subnet mask:

However, when I tried to config the DHCP Server - it is asking me to enter the Gateway IP address from "New Scrope Wizard" - this is where I get stuck.

PS: I do not have vlan switch.

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closed as off-topic by EEAA, squillman, MDMarra, Grant, Ward Sep 27 '13 at 14:04

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up vote 1 down vote accepted

In a physical network you'd separate the two with a router... Since this is virtualized I suggest trying a virtual router (like a pfSense VM, or even a Windows VM with RRAS).

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