

WINRM/WINRS has many similarities with psexec. RSAT will be released as an Out of Band component shortly after Vista SP1 is released. With many RSAT tools, it's also possible to manage servers running Windows Server 2003. With RSAT tools installed, you'll be able to manage Windows Server 2008 servers, including Server Core. RSAT is in public beta testing at the moment of writing and can only be installed on Windows Vista SP1. So, even if a role or feature is not installed on a server, it's possible to install management tools to connect to other servers-for example, Server Core. To install all feature management tools, use the command ServerManagerCmd.exe -install RSAT-Feature-Tools. To install all management tools for the Roles available in Server 2008, use the command ServerManagerCmd.exe - install RSAT-Role-Tools. If you install a role or feature in the GUI-version of Server 2008, the corresponding "RSAT tool" or MMC snap-in is automatically installed.

RSAT is a feature component within Windows Server 2008. The RSAT tools are actually a collection of MMC tools. You can compare RSAT with the legacy "Adminpack.msi," which was used to administer Windows Server 2003.

One of the options available to you to administer Server Core is to use Remote Server Administration Tools (RSAT). Because the option connect to a different computer is not available within Server Manager, it isn't possible to connect with this tool to a Server Core machine or even a regular Server 2008 installation. NET Framework 2.0 and MMC 3.0, and these two components are not installed on Server Core. Server Manager is not available on a Server Core installation because it needs. You can only open the tool if you connect via RDP or sit behind the console. Server Manager is the single all-in-one tool that you generally use to administer a Server 2008 machine.
