Evidently there are two versions of DEP; the earlier version is done
using software and a newer version that uses hardware. The hardware
version exists only in 64-bit processors and is used only by 64-bit Windows.
DEP can prevent code from being executed that is in memory designated as
data. It makes sense that a DEP would be a problem for a VM. DEP can be
enabled/disabled for specific processes.
I hope the following helps.
A description of the differences between 32-bit versions of Windows
Vista and 64-bit versions of Windows Vista
http://support.microsoft.com/kb/946765
Data Execution Prevention
http://msdn.microsoft.com/en-us/library/aa366553(VS.85).aspx
A detailed description of the Data Execution Prevention (DEP) feature in
Windows XP Service Pack 2, Windows XP Tablet PC Edition 2005, and
Windows Server 2003
http://support.microsoft.com/kb/875352
DanH wrote:
Note that a lot of things (like "Data Execution Protection") appear to
be unique to the 64-bit version of Windoze, so folks with 32-bit
machines will have no problem.
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