READFILESCATTER Operation Is Not Supported by the CDFS File System

ID: Q244145

The information in this article applies to:

Microsoft Windows NT Server version 4.0

SYMPTOMS

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

CAUSE

The READFILESCATTER operation is not supported by the CDFS file system

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Windows NT 4.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

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

STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0.

Additional query words: sql cdfs.sys cd rom ntreadfilescatter

Keywords : kbbug4.00 kbfix4.00
Version : winnt:4.0
Platform : winnt
Issue type : kbbug