!!! Overview
[{$pagename}] ( [Microsoft] [{$pagename}] [LANMAN]) is an "older" [version] of [NT LAN Manager] ([NTLM]) was a [Network] [Operating System] (NOS) available from multiple vendors and developed by [Microsoft] in cooperation with [3Com Corporation]. 


[{$pagename}] was designed to succeed [3Com Corporation]'s 3+Share [network] server software which ran atop a heavily modified version of [MS-DOS].


[{$pagename}] was based on the [OS/2|OS2] [Operating System] co-developed by [IBM] and [Microsoft] and originally used the [Server Message Block] ([SMB]) [Protocol] a top either the [NetBIOS] Frames [protocol] (NBF) or a specialized version of the [Xerox Network Systems] ([XNS]) [protocol]. These legacy [protocols] had been inherited from previous products such as MS-Net for [MS-DOS], [Xenix]-NET for MS-Xenix, and the [3+Share]. A [version] of [{$pagename}] for [Unix]-based systems called LAN Manager/X was also available.

In [1990|Year 1990], [Microsoft] announced LAN Manager 2.0 with a host of improvements, including support for [TCP]/[IP] as a transport [protocol]. The last [version] LAN Manager, 2.2, which included an MS-OS/2 1.31 base operating system, remained [Microsoft]'s strategic server system until the release of [Windows Server NT] Advanced Server in [1993|Year 1993].



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