My buddy John Simon has put together some common tweaks he uses for for his company’s Virtual Desktops. These are easy tweaks that can be used in VMware View and Citrix XenDesktop desktops but are sometimes forgot. Pop them into your VM template and reap the performance benefits. Some can also be used on your local machine for some enhanced performance.
Disable hibernation by running the command powercfg /hibernate off from the command line (WIN7/XP):
Set the windows page file to a static number. By default windows will grow and shrink the page file which will cause an I/O overhead. This value should be 1.5 x the amount of system RAM with a limit of 4096 for a 32bit operating system (WIN7/XP):
--> Please see the rest on the blog : http://www.vmwareinfo.com/2013/04/tweaking-your-windows-7xp-desktops-on.html