Disk Space Usage for Control Points
By default, both Vista and XP will eventually consume 15% of your C:\
drive for saving Control Point backups. (Technically,
just the system partition is involved, but for most people this is the
same as their entire C:\ drive).
these automatic system
backups can be extremely useful for restoring order should disaster
strike in the form of a malware infection or other system corruption,
15% of your hard drive is usually way to much disk space to devote to
this function. A gigabyte on XP is plenty, and 1 to 2 gigabyes on Vista
is more than enough. Vista uses more space because it
performs an incremental backup of your system partition (C:\ drive for
Changing this value is easy with XP, but this functionality was removed
from Vista (just like so much other functionality was removed from
The value can still be changed in Vista by executing a special system
tool. I've provided a tool that makes using this special tool less
technical in nature. (I've also provide instructions for changing this
value in XP the easy way.)
For Setting Maximum Restore Point Size on Vista
The tool documented on this page sets the maximum amount of disk space
used in the system partition for saving Retore Points on Vista. This
tool works only on Vista, and will not work on XP.
This tool has been tested with Windows Vista; nonetheless, there is no
warranty implied or otherwise, so use at your own risk. Furthermore, it
is always a good
idea to create a
System Restore Point prior to modifying system information.
OK, now you're ready to download
and execute the Vista Restore Point resizing tool.
Download the tool and save it into the System Root directory.
Usually this is C:\Windows (rarely a different drive letter).
you can't find the system root directory, then display it by going to:
and type in:
cmd /k set SystemRoot
and click on OK and a window will pop up that display the System Root
Once the tool has been saved to the System Root directory, go to:
and type in:
cmd /k maxvss.bat
Now, click on OK. The following window will appear:
Type in a number that represents the number of gigabytes you want used
for Restore Points and then type Enter. You'll now see:
Maximum Restore Point Size on XP
Double-click System in Control Panel to open the System Properties
window. Now click on System Restore and you'll see:
Move the Min-Max slider so you have about 1GB and then click OK.