Welcome to Microsoft Exchange Server 2007 Setup Help /mode, /m - This parameter specifies the action to take on Exchange ...

Welcome to Microsoft Exchange Server 2007 Setup Help         /mode, /m - This parameter specifies the action to take on Exchange server   roles. The valid values for the parameter are:             . Install      :  Installs one or more server roles.           . Uninstall    :  Removes one or all installed server roles.           . RecoverServer:  Recovers an existing server object.    . Upgrade      :  Upgrades all the installed roles.       Examples:   Exsetup /mode:install /roles:Mailbox   Exsetup /mode:uninstall /roles:ClientAccess   Exsetup /mode:recoverserver        Remarks:   - Upgrade mode cannot be run from Exsetup. Use setup.com from the    upgrade media, specifying the mode from there.   - If /role parameter is present, the mode will be defaulted to 'Install'   even if the parameter is not explicitly specified.   - Mode parameter cannot be combined with 'PrepareTopology' parameters.   - Mode parameter cannot be combined with 'Delegation' parameters.   - Mode parameter can be used together with 'Cluster' parameters.      The valid combinations are     Exsetup /mode:install [InstallParameters] /newcms [/NewCmsParameters]      Exsetup /mode:uninstall [UnistallParameters]     /removecms [/RemvoeCmsParameters]     Exsetup /mode:recoverserver [/RecoverServerParameters]     /recovercms [/RecoverCmsParameters]