Zero out the pagefile on shutdown

Security alert: When you shut down your NT machine, the pagefile retains anything that was stored during its last access.

When you shut down your NT machine, the pagefile retains anything that was stored during its last access. This

can be a security problem if someone gains access to the page file.

To make the inactive pages in the page file fill with zeros, make the following change to your registry:

[HKEY_LOCAL_MACHINESystemCurrentControlSetControl Session ManagerMemory Management] "ClearPageFileAtShutdown"=dword:00000001

Note: Please remember that editing your registry is potentially risky; always have a verified backup before you begin.


This was first published in April 2001

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