Auto Login on Fedora 12 / Windows 2003 Server

for Fedora 12

modify /etc/gdm/custom.conf

[daemon]
TimedLoginEnable=true
AutomaticLoginEnable=true
AutomaticLogin=your_account
TimedLogin=your_account
TimedLoginDelay=0

for Windows 2003 Server

Run -> Regedt32.exe

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
   DefaultUserName=your_account
   DefaultPassword=your_password
   AutoAdminLogon=1