A. To set the default domain each time you log on, perform the following steps:

  1. Start a registry editor (e.g., regedit.exe).
  2. Navigate to the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon subkey.
  3. Double-click DefaultDomainName (or create this value of type String if it doesn't exist), and set the value to the preferred domain.
  4. Double-click AltDefaultDomainName (or create this value of type String if it doesn't exist), and set the value to the preferred domain.
  5. Close the registry editor.