An application may encounter an access violation exception when it uses the Hbaapi.dll module to query information from a DVD drive or a CD drive that is attached to an HBA adapter on a computer that is running Windows Server 2003 SP2

Consider the following scenario:

• You attach a DVD drive or a CD drive to an HBA adapter on a computer that is running Windows Server 2003 Service Pack 2 (SP2).
• You run an application that uses the Hbaapi.dll module to access the drive. For example, the application calls the GetFcpTargetMapping function in the module.

In this scenario, the application may crash because of an access violation error.

The Hbaapi.dll module assumes the devices that are connected to the host bus adapters (HBA) are compliant with SCSI specifications or with Advanced Technology Attachment Packet Interface (ATAPI) specifications. Based on this assumption, the Hbaapi.dll module then requests information from the device. If this assumption is not valid, an access violation error occurs and then the application crashes.

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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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: 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

To apply this hotfix, the computer must be running Windows Server 2003 Service Pack 2 (SP2).

Restart requirement

You do not have to restart the computer after you apply this hotfix.

For more information about how to install the Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

Hotfix replacement information

This hotfix does not replace any other hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) 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 item in Control Panel.

Windows Server 2003 file information note

For all supported x86-based versions of Windows Server 2003

For all supported x64-based versions of Windows Server 2003

For all supported Itanium-based versions of Windows Server 2003

To work around this issue, replace the CD drive or the DVD drive with a SCSI specifications compliant drive or with an ATAPI specifications compliant drive.

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

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: