Always use classic logon

This policy is not available in this version of Windows.

Supported on: Windows Server 2003 and versions of Windows from Windows XP Professional through Windows 7.
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSoftware\Microsoft\Windows\CurrentVersion\Policies\System
Value NameLogonType
Value TypeREG_DWORD
Enabled Value0
Disabled Value1

logon.admx

Administrative Templates (Computers)

Administrative Templates (Users)