What is the maximum NTFS file size in Windows XP?

We use an Adaptec 31205 RAID Controller with a 4 TB RAID 0 on a Windows XP Service Pack 2 computer.  Running Windows XP Service Pack 2, we can write and read files greater than 2 TB.  But when we upgrade to Service Pack 3, we can no longer read the files.  We use a C++ program that writes and reads the files.  Under XP Service Pack 3, the ReadFile function fails with the following error: "Not enough storage is available to process this command."  Adaptec offers no help.  They say Windows XP does not support files over 2 TB in size, even though their RAID Controller works fine with files over 2 TB under Windows XP Service Pack 2.



According to this Microsoft Technet Article, the maximum file size on a NTFS volume is 16 Terabytes minus 64 KBytes.

  < http://technet.microsoft.com/en-us/library/cc766145(v=ws.10).aspx >


Another article says that, in theory, NTFS files can get as big as 16 Exabytes -- although implementation limits it to 16 Terabytes as above.

  < http://technet.microsoft.com/en-us/library/bb457112.aspx >





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Last updated November 4, 2020 Views 1,695 Applies to: