If you use Google Maps for site maps, you will need to re-enter your API key under Settings > Controller . How to Install UniFi Controller 5.4.11 on Windows
: Offered advanced metrics on what types of traffic (e.g., streaming, social media, file transfers) were passing through the UniFi Security Gateway (USG).
One of the primary reasons network engineers source unifi-installer.exe 5.4.11 today is to interact with or phase out legacy hardware that is unsupported by modern UniFi application releases (such as versions 7.x and 8.x). unifi-installer.exe 5.4.11
Some community reports indicated that Active Directory and LDAP integration features may have had stability issues in this version, particularly under heavy authentication loads.
: Improved speed for database backups and resolved migration bugs that could prevent the controller from starting after an upgrade. If you use Google Maps for site maps,
The ( unifi-installer.exe for Windows) was a pivotal "Long Term Support" (LTS) release for the 5.4.x branch. It offered critical fixes for Radius profiles and database migrations that were broken in earlier 5.4.9 versions.
Ubiquiti does not keep old Windows binaries on their main dl.ui.com repository. However, they are preserved in community archives. Some community reports indicated that Active Directory and
Specific fixes for slow database backups and 10Gbps port speed reporting. System Requirements
Added a "Migrate Site (Export Site)" tool, making it easier to move a single site to a new controller.
Consider moving to dedicated hardware (UCK-G2, UDM) for better stability and lower maintenance than a Windows machine.
Manually open ports 8080 (TCP), 3478 (UDP), and 8443 (TCP) inside the Windows Defender Advanced Firewall application. 6. Security and Upgrading Considerations