Preparing a Windows 2008 R2 / Windows 7 USB Installer

Using my Windows 2008 R2 disc (dvd - drive E:) and a  blank usb stick (drive X: - formatted to NTFS), I launched a command prompt and ran...

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\->e:

E:\>cd boot

E:\boot>bootsect /NT60 x:
Target volumes will be updated with BOOTMGR compatible bootcode.

X: (\\?\Volume{3b02ba7d-a4d3-11df-88f8-001377adfda5})

    Successfully updated FAT32 filesystem bootcode.

Bootcode was successfully updated on all targeted volumes.

E:\boot>xcopy e:\*.* /s /e /f x:\



994 File(s) copied

E:\boot>

Ref : Shane Milton's Technology Blog - Installing Windows 7 or Windows Server 2008 R2 from USB Stick