Microsoft KB Archive/944500

= Error message on a Windows Vista-based computer when you try to burn a file to a writable DVD: &quot;There was an error burning this disc. The disc might no longer be usable&quot; =

Article ID: 944500

Article Last Modified on 11/13/2007

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APPLIES TO


 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Starter
 * Windows Vista Ultimate
 * Windows Vista Business 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition
 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition

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SYMPTOMS
Consider the following scenario:
 * On a Windows Vista-based computer, you use Mastered mode to burn a file to a writable DVD that has a 4.7-gigabyte (GB) capacity.
 * The DVD already contains a file that is larger than 2 GB.

In this scenario, you receive the following error message:

There was an error burning this disc. The disc might no longer be usable.



CAUSE
Under the Universal Disk Format (UDF) standard, an extent descriptor can describe up to 1 GB of data. When you try to burn additional files to a writable DVD that already contains a file that is larger than 2 GB, Windows Vista requires more than two extent descriptors. However, in this situation, the third extent descriptor is not marked correctly.



Hotfix information
A supported hotfix is now 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Prerequisites
No prerequisites are required.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace a previously released 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 Vista, 64-bit versions


STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about how to burn a CD or DVD on a Windows Vista-based computer, visit the following Microsoft Web site:

http://windowshelp.microsoft.com/Windows/en-US/Help/b47eb51a-ea6d-4d97-97b0-2d07a59316981033.mspx

For more information about CD and DVD formats on a Windows Vista-based computer, visit the following Microsoft Web site:

http://windowshelp.microsoft.com/Windows/en-US/Help/2af64e60-60aa-4d79-ab6c-3a5db5806cbe1033.mspx

This hotfix does not resolve the problem for all DVD drives. If this hotfix does not resolve the problem for the drive that you are using, contact the manufacturer of your hardware For information about how to contact the manufacturer of your hardware, click the appropriate article number in the following list to view the article in the Microsoft Knowledge Base:

65416 Hardware and software vendor contact information, A-K

60781 Hardware and software vendor contact information, L-P

60782 Hardware and software vendor contact information, Q-Z

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Keywords: kbqfe kbexpertisebeginner kbhotfixserver KB944500

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