Helpfull tool when we are doing the capacity planing on the exchange
Windows Preinstallation Environment (Windows PE) 2.0 is a minimal Win32 operating system with limited services, built on the Windows Vista kernel. It is used to prepare a computer for Windows installation, to copy disk images from a network file server, and to initiate Windows Setup.
step by step guide for create pe disk
Steps for create windows pe boot disk
Benefits of windows pe disk