Moving Virtual Machine to new Virtual Network - Point to Site Scenario

I have an existing Virtual Machine that I set up with default networking. I have now set up a new Virtual Network as per below , for the Point to Site VPN Scenario

http://msdn.microsoft.com/en-us/library/windowsazure/dn133792.aspx

I can't see how to move my VM to this new Virtual Network ?

cheers,

Andy