Step by Step Guide to Configure Windows Hyper-V Virtual Network

1. Install Windows Server Hyper-V Role

2. Network Settings Before Install Hyper-V Virtual Network

1) Open Network Connections

Windows Server 2008 Start > Settings > Network Connections.
There is a 'Local Area Connection' network. It is a physical network adapter for Hyper-V Virtual Network.

2) Open Properties of Local Area Connection

Right click 'Local Area Connection' and select 'Properties'.

2) Open Properties of 'Internet Protocol Version 4TCP/IPv4)'

Click 'Internet Protocol Version 4(TCP/IPv4)' and select 'Properties'.

3. Configure Windows Hyper-V Virtual Network

1) Open Windows Hyper-V Manager

Windows Server 2008 Start > Programs > Administrative Tools > Hyper-V Manager.

2) Open Virtual Network Manager

Click "Virtual Network Manager..." in the right side "Actions" panel.

3) Add a New Virtual Network

Select 'External' and click 'Add'.

4) Set Virtual Network

1. Input the New Virtual Network
2. Select correct physical network adapter for Hyper-V Virtual Network
3. Click OK

5) Apply Networking Changes

There will have a new warning window. Click 'Yes' to apply the changes

Note:
The network may be disconnected if you use a static IP. Please re-config the 'Local Area Connection 4' as the old Local Area Connection.

4. Network Settings After Install Hyper-V Virtual Network

1) Open Network Connections

Windows Server 2008 Start > Settings > Network Connections.
There is a new 'Local Area Connection 4' network. It is the External Virtual Network that has been created.

2) Open Properties of 'Local Area Connection'

Right click 'Local Area Connection' and select 'Properties'.
There is only 'Microsoft Virtual Network Switch Protocol' enabled after installed External Virtual Network.

3) Open Properties of 'Local Area Connection 4'

Right click 'Local Area Connection4' and select 'Properties'.
It will have the same settings to the Local Area Connection's old settings

4) Open Properties of 'Internet Protocol Version 4TCP/IPv4)'

Click 'Internet Protocol Version 4(TCP/IPv4)' and select 'Properties'.