Differences

This shows you the differences between two versions of the page.

--- ubiquiti:controller:downgrade_controller [2020/10/22 22:21] – created 192.168.1.1
+++ ubiquiti:controller:downgrade_controller [2022/10/11 10:25] (current) – peter
@@ Line 4: / Line 4: @@
 **ALERT:**  This is NOT supported, so at own risk!
-You can't downgrade controllers unless you have a backup from the controller version you want to downgrade to (or older).
+You cannot downgrade controllers unless you have a backup from the controller version you want to downgrade to (or older).
 Always make a backup (suggest - settings only) to your PC before upgrading or downgrading so you can get back where you were.
@@ Line 10: / Line 10: @@
 <WRAP info>
-**NOTE:** If you don't have a backup - then you will need to factory reset your devices, adopt and configure like a new setup.
+**NOTE:** If you do not have a backup - then you will need to factory reset your devices, adopt and configure like a new setup.
 </WRAP>
@@ Line 25: / Line 25: @@
 SSH into the Cloud Key's IP and load the previous controller.
+<code bash>
+ssh ubnt@192.168.1.10
+ubnt@192.168.1.10's password:
+</code>
 <code bash>
@@ Line 42: / Line 47: @@
 ===== Import your settings backup =====
+<WRAP info>
+**NOTE:**  If you get an error when you try to restore the backup:
+  * "There was an error uploading the backup file. The backup file you are trying to load is from a newer version of the UniFi Controller and cannot be used with this controller".
+The restore is not functioning because you're uploading a newer controller backup on an older controller, that is not supported.
+To resolve this issue, update the firmware to a version higher or equal to the version of your backup.
+</WRAP>
 ----
@@ Line 54: / Line 69: @@
 tail /var/log/unifi/server.log
 </code>
+----