Windows Server 2012 Build 8400.0.winmain win8rc.120518-1423：修订间差异

'''Windows Server 2012 build 8400''' is the official Release Candidate build of Windows Server 2012, which was released on 31 May 2012<ref>https://web.archive.org/web/20120604043439/http://blogs.technet.com/b/windowsserver/archive/2012/05/31/windows-server-2012-release-candidate-available-now.aspx</ref> along with its client counterpart. It was also additionally released in the form of a set of Repair Content Packages, which are used by <code>DISM /Cleanup-Image /RestoreHealth</code> to repair an existing Windows installation, making it one of the few remaining server builds to be released with a 32-bit counterpart after support for the x86 architecture was dropped with the release of Windows Server 2008 R2.