How to switch all domains from a shared application pool to dedicated in Plesk for Windows Server

Question

How to switch all domains from a shared application pool to a dedicated application pool?

Answer

1. Log in to Plesk.

2. Go to Tools & Settings > IIS Application Pool and switch to the Global Settings tab.

3. Select Always assign one application pool to each subscription and apply the changes.

   Note: During this process websites will be unavailable.