From this hidden User Accounts dialog box, you can enable an auto logon in Windows VistaThis gallery is also available as a TechRepublic article.
In the article "Hidden Vista tricks that can make you more productive," I gave you some hidden Windows Vista tricks I thought would be helpful to you as you begin to get accustomed to using the new Windows Vista operating system. I'll offer a few more here.
Enable an auto logon in Windows Vista
As you know, one of the many areas in which there are vast improvements in Windows Vista is security. Even so, if you're the only one who has access to your computer in your home, having to log on each time you turn on the computer, may seem like overkill. Fortunately, you can configure Windows Vista to automatically logon with your account when you turn on your computer.
To do so, click the Start button and type netplwiz in the Start Search text box and then press [Enter]. When you do, you'll encounter a UAC confirmation dialog box and can click Continue or enter the Administrator credentials.
When you see the User Accounts dialog box, make sure that your account in selected in the User for This Computer list. Then, clear the Users Must Enter A Username And Password To Use This Computer check box and click OK.