Microsoft MPIO Command Line Reference (mpclaim) and Server Core Configurationhttp://blogs.msdn.com/san/archive/2008/07/27/microsoft-mpio-command-line-reference-mpclaim-and-server-core-configuration.aspxTo install MPIO on Server core on Windows Server 2008 run this command from a command prompt “ocsetup MultipathIo /norestart” and then run “ mpclaim –r –i –a “” ” This command Installs the Microsoften-USCommunityServer 2.1 SP1 (Build: 61025.2)