Unifi-installer.exe 5.4.11 Verified -

Improved the ability to adopt multiple devices simultaneously across different subnets.

UniFi 5.4.11 relies heavily on Java. For Windows users, installing 64-bit Java is essential if you intend to use the remote cloud access feature (WebRTC). unifi-installer.exe 5.4.11

A significant addition that allowed administrators to move entire site configurations and adopted devices between different controllers with a guided interface. including 8080 (device inform)

While modern browsers work, Google Chrome was the primary supported browser for this era of the interface. 8443 (GUI access)

Addressed a critical migration bug that prevented the controller from starting after an upgrade.

Ensure your firewall allows traffic on common UniFi ports, including 8080 (device inform), 8443 (GUI access), and 3478 (STP/UDP). Installation Guide: Running unifi-installer.exe 5.4.11