What is the Serial Console (SAC)?
For Windows Dedicated Servers acquired before 28-10-2018 and Server Power Deals
The serial console allows you to access your server even if it is no longer accessible via the network.
Windows Server 2008 offers a simple, text-based administration interface (Special Administration Console, short SAC), which can be operated via the serial interface of the computer (COM port). VT100 compatible terminal programs are used for display and control.he computer's serial interface (COM port). VT100 compatible terminal programs are used for display and control.
To enable you to access the serial interface via the network, the data is provided encrypted via an SSH server. You need an SSH client on your PC, such as PuTTY (freeware), SecureCRT (shareware), or similar.
You can use the serial console to perform the following actions using a command prompt (cmd):
Starting or stopping services