Article ID: 283787 - Last Review: January 29, 2007 - Revision: 3.3 Multifunction USB Device Cannot Transfer 4 KB or Larger FilesThis article was previously published under Q283787 SYMPTOMS
When you try to transfer a file that is 4 kilobytes (KB) or larger to or from a multifunction (or composite) Universal Serial Bus (USB) device, you may receive the following error message:
drive letter:\ is not accessible. The request could not be performed because of an I/O device error. RESOLUTIONTo resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the
Microsoft Knowledge Base:
260910
(http://support.microsoft.com/kb/260910/EN-US/
)
How to Obtain the Latest Windows 2000 Service Pack
The English version of this fix should have the following file attributes or later:Date Time Version Size File name ------------------------------------------------------ 1/4/2001 08:47p 5.0.2195.3119 19,888 Usbstor.sys STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3. MORE INFORMATIONFor additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below
to view the article in the Microsoft Knowledge Base:
265173
(http://support.microsoft.com/kb/265173/EN-US/
)
The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below
to view the article in the Microsoft Knowledge Base:
296861
(http://support.microsoft.com/kb/296861/EN-US/
)
Use QChain.exe to Install Multiple Hotfixes with One Reboot
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below
to view the article in the Microsoft Knowledge Base:
249149
(http://support.microsoft.com/kb/249149/EN-US/
)
Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
A multifunction USB device is a USB device that performs multiple functions. An example of a multifunction USB device would be a multifunction printer with mass storage capabilities, such as a CompactFlash card or SmartMedia card.
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