Article ID: 832002 - View products that this article applies to.
When you start or try to log on to your Microsoft Windows NT Server 4.0 computer, the operating system stops responding, and you receive a Stop error message that is similar to one of the following:
STOP 0x0000001E (0xc0000006, 0xA011C102, 0x00000000, 0xA011C102)
Note The Stop 0x0000001E error occurs in the address space for the Win32k.sys process.
STOP 0xC000021A Unknown Hard Error
Unknown Hard Error
After you restart your computer, the following events are logged in the system event log:
Event ID: 7
Event ID: 23
This problem may occur if your Windows NT Server 4.0 computer uses disk mirroring. Disk mirroring is also known as redundant array of independent disks (RAID) level 1. The Windows fault-tolerant disk driver (Ftdisk.sys) disables a mirror set and fails synchronization of the mirrored disks if both of the following conditions occur:
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 telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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.
Note Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.
Date Time Version Size File name ---------------------------------------------------------- 11-Nov-2003 13:23 4.0.1381.7247 28,016 Atapi.sys
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.
After you apply this hotfix, Atapi.sys maps the ATA error register bit 01h to the obsolete address mark not found (AMNF) error and returns the STATUS_DEVICE_DATA_ERROR (0xC000009C) status.
Note The ATA error register bit 01h is considered obsolete, but it still can be used according to the ATA backward-compatibility specification.
For additional information about IDE terminology, click the following article number to view the article in the Microsoft Knowledge Base:
262969For additional information about the standard terminology that is used to describe Microsoft software updates, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/262969/ )Definitions of Common Integrated Drive Electronics (IDE) Terms
(http://support.microsoft.com/kb/824684/ )Description of the Standard Terminology That Is Used to Describe Microsoft Software Updates