Automatic logon in Windows 2003
If you for some reason want your Windows 2003 server to automatic login a specific user when booted, it can be done with regedit.
Find this path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Create/change the values of (strings):
DefaultUserName
DefaultPassword
DefaultDomainName
AutoAdminLogon (0 disable | 1 enable)