When you format a logical disk on an extended partition on an ATAPI hard disk drive on a Microsoft Windows NT 4.0-based computer, either of the following events may be recorded in the system log:

Event Id: 7
Type: Error
Description: The device, \device\harddiskX\partitionX, has a bad block.
Source: Disk

-or-

Event Id: 26
Type: Warning
Description: The driver has detected that device \device\scsiportX has old or out-of-date firmware. Decreased performance may result.
Source: ATAPI

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A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. 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 version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Version        Size    File name
   ----------------------------------------------------
   04-Apr-2003  15:41  4.0.1381.7215  28,048  Atapi.sys

Note Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a (SP6a).

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

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