Microsoft KB Archive/167010

= Access Violation in Cmd.exe When Processing Batch File Script =

Article ID: 167010

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q167010



SYMPTOMS
An access violation may occur in Cmd.exe when processing a batch file script that contains a set statement that sets an environment variable surrounded by % (percent) characters.

For example:

  set %LOG%=c:\tmp\log.txt

when LOG is not an existing environment variable.

An access violation may also occur when processing a batch file in which a variable name is set that begins with an equal sign.



CAUSE
The error condition was not handled correctly.



STATUS
Microsoft has confirmed this to be a problem in Windows NT version 4.0. This problem was corrected in the latest Microsoft Windows NT 4.0 U.S. Service Pack. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbbug KB167010

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