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Resize Partitions with Vista Disk Management
http://www.vistaarticles.com/articles/54/1/Resize-Partitions-with-Vista-Disk-Management
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Published on 08/20/2006
 
In Windows Vista it is now possible to resize partitions without any data loss in the new Disk Management console.

Resize Partitions with Vista Disk Management
1. Click on the Start Button and right click on Computer and select Manage.
2. Expand the Storage section and select Disk Management.
3. Then just right click on any partition and select either Expand or Shrink to change the size of the partition.