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Copy2Gb+ Files in Win2000 problem

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This is a discussion here about the 2Gb+ copy files problem (but it also applies to Win2000):


the 2GB+ copy problem for Win2000 is only fixed when using Windows Explorer to copy files that are 2gigs or bigger. If you use another program to copy 2gb+ files and uses the _llseek API function from kernel32.dll file of Win2k, it may not copy the 2gb files.

You can use the Make2Gb tool to verify if the _llseek API function in Win2000 kernel32.dll file works correctly or not. Download it here:


Edited by erpdude8

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ok never mind. perhaps there's no need for a copy2gb patch for win2000.

WinFile has a lot of other internal limits...

All I fixed was _llseek and nothing more, it may enable older programs to read/write 2Gb+ files correctly.

Problem with _llseek still exists in 2000 and above, I believe M$ didn't look too much into fixing legacy API. The problem probably still exists in Vista.

However I doubt anyone using 2000+ OSs is going to be using older application that use _llseek, so it is not much of a problem.


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