Use Logon utility to schedule Desktop unlocks on Windows NT/2000/XP systems
The Logon utility can be also used to automate unlocking of Windows Desktop after computer is restarted. In this case create a program type job in 24x7 Scheduler and schedule it to start [on startup]. The 24x7 Scheduler must run as a Windows service using LocalSystem or domain admin account and the service must be set to start automatically.
Usage: Logon <-u user> -p password
User parameter is optional. The most recently entered user name is used when the parameter
is not specified.
Note: On Windows XP you need to disable Fast User Switching option in
order to use the user parameter.
Run Logon.exe without parameters from the DOS command prompt to for more info.