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Error message when you run a program that uses the QueryDosDeviceA function: �ERROR_MORE_DATA�

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Symptoms

You define a multibyte string for an MS-DOS device name. Then, you run a program that uses the QueryDosDeviceA function to retrieve a list of MS-DOS devices. In this scenario, you receive the following error message:
ERROR_MORE_DATA
This problem may occur even if you allocate a sufficient buffer size.

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Cause

This problem occurs because the QueryDosDeviceA function does not consider multibyte strings during string conversion from UNICODE to ANSI.

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Resolution

To resolve this problem, install the hotfix that is mentioned in the following Microsoft Knowledge Base article:
931305 Error message when you run a program that uses the QueryDosDeviceA function: �ERROR_MORE_DATA�

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Status

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

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More information

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: kbwinserv2003postsp2fix, kberrmsg, kbprb, kbfix, kbbug, kbpubtypekc, kbqfe, kbexpertiseadvanced, KB927893

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Article Info
Article ID : 927893
Revision : 7
Created on : 10/11/2007
Published on : 10/11/2007
Exists online : False
Views : 490