UniFi Network Controller 5.4.11 was a stable release in the 5.4.x branch, primarily focused on refining site migration and database reliability . This version introduced the Migrate Site (Export Site) Wizard to simplify moving configurations between controllers. Key Updates in v5.4.11 Site Management : Added a dedicated Migrate Site Wizard to guide users through exporting site data. Device Adoption : Support for concurrent L3 device adoption , improving efficiency for remote setups. Reliability

Open Command Prompt as Admin.
Run net stop UniFi then net start UniFi.

Download:

Obtain the unifi-installer.exe 5.4.11 from the official Ubiquiti website or an authorized source.

3. Offline or Air‑Gapped Networks

Isolate the Controller

: Do not expose the controller management ports to the open internet. Access it only via VPN or a local management VLAN.

For enterprise environments, the installer supports silent installation using standard parameters:

According to the official release notes, UniFi 5.4.11 includes the following changes:

5.4.11 | Unifi-installer.exe

Open Command Prompt as Admin.
Run net stop UniFi then net start UniFi.

Download:

Obtain the unifi-installer.exe 5.4.11 from the official Ubiquiti website or an authorized source. unifi-installer.exe 5.4.11

3. Offline or Air‑Gapped Networks

Isolate the Controller

: Do not expose the controller management ports to the open internet. Access it only via VPN or a local management VLAN. UniFi Network Controller 5

For enterprise environments, the installer supports silent installation using standard parameters: Open Command Prompt as Admin

According to the official release notes, UniFi 5.4.11 includes the following changes: