It installs the UniFi network controller software version 5.4.11 on the system. This involves copying necessary files, creating registry entries, and setting up the software environment.

Modern versions of Chrome or Firefox are recommended for the setup wizard; older versions of Internet Explorer may fail to load the interface. Ubiquiti Community 📝 Critical Release Notes Backup First:

Some community reports indicated that Active Directory and LDAP integration features may have had stability issues in this version, particularly under heavy authentication loads.

A: Possibly, but with difficulty. Moving across major version gaps is risky. The best practice is to install the latest controller, then restore a backup of the 5.4.11 database. If that fails, you can spin up the legacy version, gradually upgrade through intermediate versions (e.g., 5.6, 6.0), export the site configuration in a JSON format, and import it into the new controller.