Hyper-V on a 2008R2 Std Server

I don't understand your question. From what I can tell you have a physical machine that is a DC and is running Hyper-V. You want to run BlackBerry Enterprise Server in a VM. That should all be fine. I don't understand your issue with DHCP.

Since that server is a DC, you should be able to go into the DHCP console and un-authorize that server as a DHCP server.

You probably, do not want to have a DC on the same machine you're trying to use as a Hypervisor, but if you have another DC on a physical machine, you should be ok.

For clarification....

Kevinhsieh - Correct. My setup is one physical server running 2008 R2 Std. This server has DC, DNS, DHCP, File services, Exchange roles running. I want to run a Hyper-V VM on this physical server for BES. IP Address for Physical server is 10.0.0.11 and 10.0.0.12 for VM.Both have their own ethernet port.

Everytime I turn on the VM, my workstations show the DHCP server as 10.0.0.12. I want them to stay on 10.0.0.11.

HornAlum - I'll check to see if the VM is showing up as a DHCP Server.

that's strange, that your VM shows up as the DHCP server. you definitely should go in and see if DHCP is running, and un-authorize it ... or remove DHCP on the VM.

Did you build the VM from scratch?

You can't have the same IP on both the parent and the VM. That is trying to have two servers on the network with the same IP. You need to treat the VM like it's a separate physical machine. It just happens to share the same NIC and other hardware.

Solved the issue myself.