I do use the following regtweak at T12: ;Pagingfile on D: 512 MB [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management] "PagingFiles"=hex(7):44,00,3a,00,5c,00,70,00,61,00,67,00,65,00,66,00,69,00,6c,\ 00,65,00,2e,00,73,00,79,00,73,00,20,00,35,00,31,00,32,00,20,00,35,00,31,00,\ 32,00,00,00,00,00 To remove the one created by setup I use this in cleanup.cmd attrib -h -s "%systemdrive%\pagefile.sys" DEL /F /Q "%systemdrive%\pagefile.sys" cleanup.cmd is hailed during RunOnceEx REG ADD %KEY%\028 /VE /D "Removing pagefile" /f REG ADD %KEY%\028 /V 1 /D "%systemdrive%\install\cleanup.cmd" /f Simple and effective