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Article ID: 827675 - Last Review: October 26, 2006 - Revision: 2.5

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SYMPTOMS

If you click the Safely Remove Hardware icon in the notification area to disconnect a universal serial bus (USB) storage device while your Microsoft Windows 2000-based computer is still running, you may receive the following error message:
Unsafe Removal of Device

You have unplugged or ejected a device without stopping it which can cause your computer to crash and lose valuable data.

Please use the hotplug icon in the status bar to safely remove devices before unplugging them.
Notes
  • When you use this method to disconnect a USB device, this is known as hot-undocking.
  • USB storage devices include floppy disk drives, CD-ROM drives, and hard disk drives.

CAUSE

This problem occurs when you upgrade to Microsoft Windows Server 2000 Service Pack 3, install a USB 2.0 driver, and then install the following Enhanced Host Controller Interface (EHCI) card from VIA Technologies:
VIA PCI to USB Host Controller

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

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
   -----------------------------------------------------------
   13-Sep-2003  16:58  5.0.2195.6820      24,752  Hidclass.sys
   13-Sep-2003  18:09  5.0.2195.6820      24,976  Openhci.sys
   13-Sep-2003  18:09  5.0.2195.6820      32,944  Uhcd.sys
   13-Sep-2003  18:09  5.0.2195.6820      20,752  Usbd.sys
   19-Sep-2003  20:47  5.0.2195.6823      19,792  Usbehci.sys
   13-Sep-2003  16:58  5.0.2195.6820      49,776  Usbhub20.sys
   13-Sep-2003  18:09  5.0.2195.6820     138,768  Usbport.sys

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article. The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

MORE INFORMATION

For additional information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915  (http://support.microsoft.com/kb/816915/ ) New file naming schema for Microsoft Windows software update packages
For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft Windows 2000 Advanced Server SP3
  • Microsoft Windows 2000 Service Pack 3
Keywords: 
kbautohotfix kbhotfixserver kbqfe kberrmsg kbbug kbfix kbqfe kbwin2000presp5fix KB827675
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