Windows Server 2019 network selection user interface (UI) must not be displayed on the logon screen.

Enabling interaction with the network selection UI allows users to change connections to available networks without signing in to Windows.

Verify the registry value below. If it does not exist or is not configured as specified, this is a finding.

Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\System\

Value Name: DontDisplayNetworkSelectionUI

Value Type: REG_DWORD Value: 0x00000001 (1)

Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Logon >> "Do not display network selection UI" to "Enabled".