Barglen
The first thing I do after installing Vista and getting al of my software
installed is a bit of maintenance. I feel that the default 15% of a 500GB
hard drive (75GB) is a bit too much to reserve for restore points and other
backups. Testing has shown that on a 500GB drive, 10GB is plenty of space to
allocate for the built-in backups.
The following procedure is safe and can be used to restrict the amount of
disk space that is used.
First, free up all of your disk space by deleting all but the most current
restore point. Go to Start/All Programs/Accessories/Disk Cleanup and you
will see the option there.
Next, if your maximum size for System Restore is way too large, you should
adjust this. By default Vista sets the maximum size allocated for VSS to 15%
of the disk size. With some of newer drives, this can result in a huge
amount of space being allocated.
Go to Start and type cmd in the results, right click the cmd item and
select the "Run as administrator" option. OK the UAC prompt.
When the command window opens, type the following.
vssadmin list shadowstorage
Press ENTER.
The result will show the current amount of Used, Allocated, and Maximum
allowed size for the Volume Shadow Storage on your system. The following
command will set the maximum amount of disk space used for the shadow
storage to 10GB.
vssadmin Resize ShadowStorage /For=C: /On=C: /MaxSize=10.0GB
Press ENTER.
(type the command as shown, including the spaces)
You should see a message that the command succeeded.
You can change the final (MAXSIZE=) value in the command to suit yourself.
(ie:
change 10.0GB to 5.0GB)
This command assumes that your system drive is C: