Useful links:

How to create website in IIS using command line How To Redirect HTTP to HTTPS in IIS

Launch PowerShell

Type PowerShell in application search option. Then right click on PowerShell application and select “Run as administrator”. This will provide you administrative privileges to perform actions.

Start or Stop All Sites in IIS

The WebAdministration module provides the methods to manage IIS on windows system. So first, import WebAdministration module on Powershell, then run the following commands to start or stop all IIS sites.

Stop all sites

Start all sites

How to Start and Stop All Sites in IIS   TecAdmin - 46