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How to Clear the Windows Paging File at Shutdown
Article ID: 314834 - View products that this article applies to.
This article was previously published under Q314834
For a Microsoft Windows 2000 version of this article, see 182086
This article documents the method for clearing the Windows paging file (Pagefile.sys) during the shutdown process, so that no unsecured data is contained in the paging file when the shutdown process is complete.
Note If you enable this feature, the shutdown time may be increased.
Some third-party programs can temporarily store unencrypted (plain-text) passwords or other sensitive information in memory. Because of the Windows virtual memory architecture, this information can be present in the paging file.
Although clearing the paging file is not a suitable substitute for physical security of a computer, you might want to do this to increase the security of data on a computer while Windows is not running.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756To have us clear the windows paging file at shutdown for you, go to the "Fix it for me" section. If you prefer to fix this problem yourself, go to the "Let me fix it myself" section.
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
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To fix this problem automatically, click the Fix it button or link. Click Run in the File Download dialog box, and follow the steps in the Fix it wizard.
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For additional information about Session Manager memory management settings, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/102985/EN-US/ )REG: CurrentControlSet Entries PART 2: SessionManager
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Article ID: 314834 - Last Review: July 20, 2010 - Revision: 3.0