Sysinternals Freeware - Utilities for Windows NT and Windows 2000 - Miscellaneous Tools for Windows

Sysinternals Freeware - Utilities for Windows NT and Windows 2000 - Miscellaneous Tools for Windows: "Windows NT/2K provides Registry settings that can be set so that a user is automatically logged in the next time the system would otherwise put up the logon dialog box. However, the Registry values are hidden very deep, and are a pain to configure. This program, Autologon, will do the Registry configuration for you, and allow you to enable and disable auto-logon when you want. "