Add Loopback adapter

1. Click Start, and then click Control Panel. Then click Add Hardware:
   
2. Select Yes, I have already connected the hardware:
   
3. From the list of devices select Add a new hardware device:
   
4. Select Install the hardware that I manually select from list (Advanced):
   
5. From the list of hardware types select Network Adapter:
   
6. From the list of Manufactures select Microsoft and from the list of Network Adapters select Microsoft Loopback Adapter:
   
7. Click Finish once the adapter is installed.
8. The Loopback Adapter will now appear in you list of Network Connections:
   

Configure Loopback Adapter

1. In the Network Connections right mouse click on the newly created Loopback Adapter and select Properties;
2. From the Properties select Internet Protocol (TCP/IP) and click Properties:
   
3. In the Properties add the IP address as follows:
    
4. Click OK to commit the changes.

Configure VPC Network Adapter

1. On Virtual PC (VPC) Console click Settings;
   
2. On the settings dialog box select Networking and then select Microsoft Loopback Adapter as the 1st Adapter. Click OK;
   
3. On the VPC click the Network icon in the task bar or navigate to the Network Connections through the control panel. The network icon may display a warning message “Limited or no connectivity”. Don’t worry about this at the moment;
   
4. On the Network Connections window, right mouse click on the Local Area Connection and click Properties;
   
5. On the TCP/IP settings for the Network adapter enter the following details. Click OK;
6. You will notice that the network icon on the desktop task bar no-longer displays the warning message;
7. On the VPC, launch the Command Prompt and type IPConfig you should see that the VPC now has the IP address, subnet and gateway that you just entered;
   
8. From the VPC Command prompt ping 192.168.5.10 to confirm connectivity to the host;
    
9. Ensure that you don’t have any network connectivity on your host computer, then from the Command Prompt ping the VPC 192.168.5.11 to confirm connectivity to the VPC;

Configure Host File

If your SharePoint (or website) uses Host Headers then you’ll need to edit your Host file:

1.   Open your Host file C:\Windows\System32\Drivers\etc\host;
   
2. In the host file put the IP address of your VPC 192.168.5.11 and set the host in my case that is scratch;
    
3. You should now be able to browse your SharePoint (Web Site) hosted on a VPC even if you do not have connection to a network;