Microsoft KB Archive/192673

= Accessing Files on NTFS Partitions Created with Windows 2000 from Windows NT 4.0 =

Article ID: 192673

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q192673



SUMMARY
Windows NT 4.0 Service Pack 4 contains an updated Ntfs.sys file that allows you to access NTFS-formatted partitions that are created in Windows 2000. Although you can read and write to these volumes, you may not have access to all files and utilities that are present in Windows 2000.



MORE INFORMATION
NTFS in Windows 2000 requires some on-disk changes that enable support for additional features. Some files that are saved under Windows 2000 may not be available for use on Windows NT 4.0-based computers. Listed below are some of the limitations you may encounter with Windows NT 4.0 when you try to access NTFS volumes created with Windows 2000:  Chkdsk.exe - This is not available for NTFS volumes. When you try to run Chkdsk on a volume, you see this message:

This version of Chkdsk cannot be run on a volume created by later versions of Windows NT.

If the volume is in use, Chkdsk allows itself to be scheduled, but displays the same message on the startup screen.

 Any disk utilities, such as Defrag, should not be used on these volumes.

Additional query words: NTFS.sys NTFS40.sys Dual boot

Keywords: kbinfo KB192673

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