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Updating a Unifi Controller (either a Cloud Key, or a local installation like a VM)

Posted by jpluimers on 2021/07/27

Note that by now, Unifi Controller is usually named Unifi Network Management Controller (somewhere in between it was called Unify Network Controller).

You can either run a local installation on a Linux box (usually Ubuntu), for instance the CloudKey ESXi Appliance, or from a Cloud Key (if you do, do not get a version 1 Cloud Key; too much SD card and other hardware trouble)

Steps to update both the Unifi Controller Firmware (Cloud Key only) and the Unifi Controller software (both Cloud Key and local installation) are below.

I am assuming that 192.168.71.50 is the IP address of your Cloud Key, and for brevity, I included few screenshots, but opted for URLs.

Devices steps

  1. Logon to your Cloud Key at https://192.168.71.50:8443/manage
  2. Go to the devices page https://192.168.71.50:8443/manage/site/default/devices/1/50/uap
  3. Ensure the filter is “APs” (either through the dropdown when your tab is narrow, or the button when the tab is wide)
  4. Press the “Start rolling update” button.
  5. Confirm the rolling update
  6. Wait for the rolling update to finish

Screenshots for selecting “APs” with narrow and wide tab widths:

 

Cloud Key steps

  1. Logon to your Cloud Key at https://192.168.71.50:8443/manage
  2. Go to the maintenance page at https://192.168.71.50:8443/manage/site/default/settings/maintenance
  3. Create a backup:[WayBack] UniFi – How to Create and Restore a Backup: Generating a New Backup – Ubiquiti Networks Support and Help Center
    1. Under “Backup”
    2. Click “Download backup”
  4. Under “Cloud Key Firmware”,
    1. Click “Check for update”
    2. Wait for the check to complete, then verify if the “Available version” is different from “Current version”
    3. Google search on the “Available version” for any anomalies
    4. If no anomalies are found:
      1. Click “Apply update”
      2. Wait 2 minutes for the update and reboot process to take place
      3. Logon to your Cloud Key at https://192.168.71.50:8443/manage
      4. Wait about 10 seconds for the maintenance subsystem to come up
      5. Go to the maintenance page at https://192.168.71.50:8443/manage/site/default/settings/maintenance
  5. Under “Cloud Key Controller”,
    1. Click “Check for update”
    2. Wait for the check to complete, then verify if the “Available version” is different from “Current version”
    3. Google search on the “Available version” for any anomalies
    4. If no anomalies are found:
      1. Click “Apply update”
      2. zzzzzzzz

Note:

  • applying a new firmware will also install a more recent controller version.
  • sometimes this controller version is the most recente controller version.

Screenshot for the menu entry and buttons:

Waiting during reboot (it you cannot connect, wait a few seconds):

Creating and downloading a backup:

Updating firmware and controller:

 

–jeroen

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