Media Changer Device Does Not Work Correctly If You Install a Storport-Based HBA Driver

When you try to use Removable Storage or a third-party program to manage a media changer device, the device may not work correctly. Also, you may experience one or more of the following symptoms:

• You receive an error message.
• The device does not come online.
• One or more events that are similar to the following appear in the system log in Event Viewer:

  Event Type: Error
  Event Source: Removable Storage Service
  Event Category: None
  Event ID: 51
  Date: Date
  Time: Time
  User: N/A
  Computer: ServerName
  Description: Unable to move medium from drive 0 to slot 0 in library: \\.\Changer0. Please manually eject the media. For more information, see Help and Support Center at http://support.microsoft.com.

  Event Type: Error
  Event Source: Removable Storage Service
  Event Category: None
  Event ID: 175
  Date: Date
  Time: Time
  User: N/A
  Computer: ServerName
  Description: Unable to obtain the status of drive \\.\Tape0. For more information, see Help and Support Center at http://support.microsoft.com.

This problem occurs if you install a Storport-based miniport driver for the fibre channel host bus adapter (HBA) that you connect the device to.

Note This problem does not occur if you use a SCSIPort-based miniport driver for the HBA device.

Hotfix Information

The following file is available for download from the Microsoft Download Center:
Download the 823728 package now.

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

Prerequisites

No prerequisites are required.

Restart Requirement

You do not have to restart the 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.

To work around this problem, use a SCSIPort-based miniport driver for the fibre channel HBA.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section of this article.

For additional information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base: