Microsoft KB Archive/244145

From BetaArchive Wiki
Knowledge Base

READFILESCATTER Operation Is Not Supported by the CDFS File System

Article ID: 244145

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q244145


Attempting to use a READFILESCATTER operation to read data from a CD-ROM does not work, generating the following error message:

The parameter is incorrect


The READFILESCATTER operation is not supported by the CDFS file system


A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English-language version of this fix should have the following file attributes or later:

   Date      Time                 Size    File name     Platform
   10/15/99  6:49pm               931,712 Ntoskrnl.exe  x86  
   10/15/99  6:50pm               951,872 Ntkrnlmp.exe  x86
   10/15/99  6:47pm             1,379,584 Ntoskrnl.exe  alpha
   10/15/99  6:48pm             1,407,808 Ntkrnlmp.exe  alpha


Microsoft has confirmed that this is a problem in Windows NT 4.0.

Additional query words: sql cdfs.sys cd rom ntreadfilescatter

Keywords: kbhotfixserver kbqfe kbbug kbfix KB244145