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5.4

Hyper-V VM Windows Server 2003 R2 No outbound network connectivity after subnet change

Asked by BThompsonTX in Hypervisor, Windows Server 2008, Windows 2003 Server

I am unable to access anything outside of the host OS from a VM when subnet was changed.

Dell 2950 III, dual Xeon 2.0 12 GB Memory, 4 500GB drives.
Host OS: Win Server 2008 Standard
VM: Win Server 2003 R2 SP2 (Integrations Services Installed)
Switch 1: Cisco 3750e 48 port (192.168.15.0/24 on VLAN 10 (TEST subnet)) (192.168.13.0/24 on VLAN 2 (CORP subnet))

I started with Win 2k8, configured IP (192.168.15.202/24), installed Hyper-V Role, created new VM with Win 2k3 R2, installed integration services, configured legacy network adapter and provided IP (192.168.15.203/24).  
I was able to access all resources (CORP subnet), including Internet. Downloaded and Installed SQL Server 2005 Standard, Windows Sharepoint Services 3.0 and Visual Studio Team Foundation Server. By the way, all of this was done via Remote Desktop from my home to the corporate office.
I then moved the box to a different subnet, changed the IP on host (192.168.13.202/24) and VM (192.168.13.203/24) and cannot access anything other than the host IP.
I can ping the host IP from the VM, but nothing else and can ping the VM from the host OS and everything else.

Worked through this for a few days by changing the network adapter type, disabling the firewall on host and VM and finally removed Hyper-V Role and re-installed it.  Created new VM using Win 2k3 .vhd and still cannot acees anything outside of the host OS.

I tried installing a new fresh VM using Win 2k8 and 2k3 and cannot access outside resources from them as well.

Anyone have any ideas what could be wrong?  
[+][-]11/02/09 07:49 AM, ID: 25720421Accepted Solution

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About this solution

Zones: Hypervisor, Windows Server 2008, Windows 2003 Server
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Solution Provided By: BThompsonTX
Participating Experts: 3
Solution Grade: A
 
[+][-]10/31/09 07:51 AM, ID: 25709984Expert Comment

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