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Windows 2000 Upgrades

Posted: Wednesday, December 15, 1999

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Check this table to quickly find your upgrade path.

From	Windows 2000 Professional	Windows 2000 Server	Windows 2000 Advanced Server
Windows 9x	Product Upgrade	No	No
Windows NT Workstation 3.51, 4.0	Version Upgrade	No	No
Windows 2000 Pro	--	No	No
Windows NT Server 3.51	No	Version Upgrade	Competitive Upgrade or Version Upgrade¹
Windows NT Server 4.0/Windows NT Server 4.0, Terminal Server Edition	No	Version Upgrade	Competitive Upgrade or Version Upgrade¹
Windows NT Server 4.0, Enterprise Edition	No	No	Version Upgrade
Windows 2000 Server	No	--	Product Upgrade²
Windows 2000 Advanced Server	No	--	--
Competitive Products³	Competitive Upgrade⁴	Competitive Upgrade	Competitive Upgrade or Version Upgrade¹

1. This SKU will upgrade previous qualifying network operating systems including Windows NT Server 4.0.

2. Available 120 days after Windows 2000 releases to manufacturing (RTM).

3. Competitive Upgrades are offered to customers who currently own licensed copies of qualifying competitive software, including:

Novell: NetWare, IntranetWare, IntranetWare for Small Business
Banyan Vines
IBM: LAN Server, OS/2
Microsoft LAN Manager
DEC PATHWORKS
Artisoft LANtastic
SCO: Xenix, UNIX, OpenServer, or UnixWare
Sun: Solaris, Solaris X86, or SunOS
Hewlett-Packard: HP-UX
IBM: AIX
Digital: Ultrix, OSF/1, or UNIX
SGI: Irix

4. Only under Open or Select licensing programs.

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Windows 2000 Upgrades

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