Article ID: 223275 - View products that this article applies to.
This article was previously published under Q223275
After adding an environment variable that contains a large number of bytes, the computer will not restart.
Certain process start up code for system processes (CSRSS, Autochk) were only allowing 512 bytes of space for system variables, which caused memory to be overwritten.
Windows NT Server or Workstation 4.0To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6.
The new files in this hotfix increase the number of bytes to 4,000. Users should keep the total system environment variable size to 4,000 characters. This size also included the variable name.
Article ID: 223275 - Last Review: June 11, 2012 - Revision: 3.0
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