There are several ways to upgrade from ISPmanager 4 to ISPmanager 5.
- You can use one of the following ways to upgrade from ISPmanager 4 Lite to ISPmanager 5 Lite:
- You cannot upgrade from ISPmanger 4 Pro to ISPmanager 5 Lite or ISPmanager 5 Business on the same server. You need to install ISPmanager 5 on a new server and import users.
For more information please refer to the article How to move ISPmanager from one server to another.