Microsoft KB Archive/93496

= Windows NT File Size and Partition Size Limits =

PSS ID Number: 93496

Article Last Modified on 11/26/2003

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The information in this article applies to:


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional
 * Microsoft Windows NT Server 3.1
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0

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This article was previously published under Q93496



Windows NT 3.1, 3.5, 3.51, or Windows NT 4.0 Upgrade
The following table contains the partition and file size limitations of the various file system formats under Windows NT:   File System   Max. Partition Size  Max. File Size --     FAT              2^32                2^32 HPFS            2^41                2^32 NTFS            2^64                2^64 NOTE: 2^32 bytes equals 4 gigabytes, 2^41 bytes equals 2,048 gigabytes, and 2^64 bytes equals 16 exabytes (or 18,446,744,073,709,551,616 bytes).

Windows NT 4.0 Clean Installation
  File System   Max. Partition Size  Max. File Size --     FAT              2^32                2^32 NTFS            2^64                2^64

Windows 2000
  File System   Max. Partition Size  Max. File Size --     FAT              2^32                2^32 NTFS            2^64                2^64 FAT32           32 GB               2^32

Additional query words: prodnt gb eb

Keywords: KB93496

Technology: kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Pro kbwin2000ProSearch kbwin2000Search kbwin2000Serv kbwin2000ServSearch kbWinAdvServSearch kbWinNT310Search kbWinNT350search kbWinNT351search kbWinNT400search kbWinNTS310 kbWinNTS310search kbWinNTS351 kbWinNTS351search kbWinNTS400 kbWinNTS400search kbWinNTsearch kbWinNTSsearch kbWinNTW310 kbWinNTW310Search kbWinNTW350 kbWinNTW350search kbWinNTW351 kbWinNTW351search kbWinNTW400 kbWinNTW400search kbWinNTWsearch

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