... domain controllers can explicitlyvouch for the users. Trusts between Windows 2000 forests, Windows 2000 and Windows NT, and Windows 2000 and other realms involve manual setup betweeneach domain’s ... ✦ Windows 2000 Server ArchitectureIn Windows 2000, the default authentication and security protocol between Windows 2000 machines is Kerberos. By continuing to support down-level or legacy Windows technology, ... to trust each other. Windows NT does not have a treaty with Windows 2000, partly because it speaks thewrong security language; that is, NTLM. In order for Windows 2000 and Windows NTusers to...