In Windows Explorer, you try to copy a file that contains extended attributes from an NTFS volume to a FAT volume.
In this scenario, you receive the following error message:
Copy File
Invalid MS-DOS function.
File Name Type: File Type Size: File Size Data modified: Data Try Again|Cancel
When you click Try Again, you receive the following error message:
Copy File
An unexpected error is preventing the operation. Make a note of this error code, which might be useful if you get additional help to resolve this problem:
Error 0x80004001: Not implemented
File Name Type: File Type Size: File Size Data modified: Data Try Again|Cancel
A hotfix is available to resolve this problem. When you try to perform this file-copy operation after you apply this hotfix, you receive a message that states that the file has been copied without including the extended attributes.
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. 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
No prerequisites are required.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other previously released hotfixes.
Registry information
To use this hotfix, you do not have to make any changes to the registry.
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.
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