Emergency management services

Emergency Management Services (EMS) is a feature that provides remote management and system recovery options when other server administrative options are not available. It is also required for headless systems in which there is no GUI available, as in the case of Nano Server.

EMS works through the Special Administration Console (SAC) feature of Windows Server. The SAC channel provides a number of administrative features such as enabling the Windows command prompt (cmd.exe) channel for Windows CLI access, listing processes currently running on the system, obtaining IP address information, retrieving server hardware information, and rebooting the server, to name just a few. Another important feature of the SAC channel is the ability to monitor the boot and install progress of the server. For more information on EMS and SAC see the TechNet article at:

https://technet.microsoft.com/en-us/library/cc784221(v=ws.10).aspx.

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