To pause and resume SQL Server
This connects you to the remote server and completes the Services box with the names of Microsoft® SQL Server™ services registered on the remote computer.
The current state of the service is indicated by the light on the traffic signal and by the message in the status bar.
Note SQL Server can be paused only if it was started as a Microsoft Windows NT® or Windows 98 service.
Pausing and Resuming SQL Server | How to pause and resume SQL Server from a command prompt |