his tweak is impossible to explain without getting into the technical ins and outs of binary values, bit pairs and bit masks. Suffice it to say, it forces short, variable length processor timeslices to be allocated to foreground processes three times more often than those timeslices given to background processes.
Start regedit and navigate to the following key:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\PriorityControl]
Change the value of Win32PrioritySeparation to 26 hexadecimal, which is 38 decimal, save the changes and reboot.
As with the cache tuning tweak (#4), this particular tweak should not be applied to a system that is running either SQL Server or Internet Information Server (IIS) unless you are certain that you want to slow down those background processes.
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