The Microsoft Windows NTLM authentication is a type of setting for a Windows domain that verifies a username and password. When you log in to your Windows computer, the operating system sends the username and password to the domain controller. The domain controller verifies the credentials and either accepts or denies the request. You test the NTLM authentication to a server by mapping a drive to that server. Mapping a drive is a way to ensure that you have permissions to the server and network resources. Writer Bio
