Available in client and server versions, Windows NT included built-in networking and preemptive multitasking. NT was introduced in 1993 as Version 3.1 with the same user interface as Windows 3.1 ...

Use of NTLM will continue to work in the next release of Windows Server and the ... has been around since 1993 when it was added in Windows NT 3.1. Kerberos, although more "modern" has also ...