Unable to Format a 1.44-MB Disk on an LS-120 After SP3

ID: Q170572

The information in this article applies to:

Microsoft Windows NT Workstation version 4.0
Microsoft Windows NT Server version 4.0
Microsoft Windows NT Server version 4.0, Terminal Server Edition

SYMPTOMS

After installing Service Pack 3 and when using an LS-120 removable media drive that also reads/writes 1.44-MB disks, you are unable to format a 1.44-MB disk. You can still write to an already formatted disk or to LS- 120 media.

RESOLUTION

Perform the following steps to work around this problem:

Rename %Systemroot%\system32\drivers\Atapi.sys to Atapi.org.

Copy the Atapi.sys from Service Pack 2 to the following directory:
```
      %Systemroot%\system32\drivers directory. 
```

Shut down and restart the system.

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, please see the following article in the Microsoft Knowledge Base:

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0 Service Pack 3. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.

Keywords : kb3rdparty kbhw NT4SP4Fix ntdriver kbfix4.00.sp4 kbbug4.00.sp3 NTSrvWkst
Version : WinNT:4.0
Platform : winnt
Issue type : kbbug