Windows 2007 netplzwiz Options

While setting up auto login in windows 7 in order not to store the password in the registry I am using netplwiz in run to open GUI and then selecting user and apply password there in order not to store in the registry. How we can make auto login on windows 7 wiithout adding password in registry and GUI interface using netplzwiz. The Issue is I need to send remote command to remote PC and to use netplwiz you required to be there for this action which I want to avoid. any has done this before do then only click to this project to give you award to fix my this issue.