This article was previously published under Q298505
This article has been archived. It is offered "as is" and will no longer be updated.
When an LS-240 (high-capacity floppy disk) drive is "hot swapped" by a CD-ROM drive, an extra icon may be displayed in My Computer and Windows Explorer. Device Manager also displays two CD-ROM devices. This problem disappears when you restart the system with the CD-ROM drive.
This problem can occur if a code problem in the Atapi.sys file prevents the logical unit numbers (LUNs) from being reset when a multi-LUN device is replaced by a single LUN device.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack
The English version of this fix should have the following file attributes or later:
Date Time Version Size File name ------------------------------------------------------------ 5/30/2001 04:04p 5.0.2195.3652 85,296 Atapi.sys
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below to view the article in the Microsoft Knowledge Base:
265173 The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below to view the article in the Microsoft Knowledge Base:
296861 Use QChain.exe to Install Multiple Hotfixes with One Reboot
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes