This article describes the recommended space requirements for a Windows 2000 Service Pack 4 (SP4) installation on Windows 2000 Professional, Windows 2000 Server, and Windows 2000 Advanced Server.

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The following are the recommended space requirements, in megabytes (MB), for a Windows 2000 SP4 installation.

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Windows 2000 Professional

Space use	Space required when you install Windows 2000 SP4 from a distribution folder on the network	Space required when you install Windows 2000 SP4 from the Window 2000 SP4 CD or the Windows 2000 SP4 Web site
With backup folder	280 MB	340 MB
Without backup folder	105 MB	165 MB

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Windows 2000 Server and Windows 2000 Advanced Server

Space use	Space required when you install Windows 2000 SP4 from a distribution folder on the network	Space Required When You Install Windows 2000 SP4 from the Window 2000 SP4 CD or the Windows 2000 SP4 Web site
With backup folder	320 MB	410 MB
Without backup folder	105 MB	190 MB

A backup folder contains copies of all the files that are changed by the installation of the service pack on your computer. The backup folder is created if you select the Archive Files option during Windows 2000 SP4 Setup. When you select this option, you can remove the service pack after you install it to your computer. However, this option requires additional hard-disk space.
For additional information about how to obtain the latest service pack for Windows 2000, click the following article number to view the article in the Microsoft Knowledge Base:

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