Looking for logging into the Unifi Controller site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Unifi Controller site. After that you can login as usual with your login credentials.
https://unifi.ubnt.com/
https://help.ubnt.com/hc/en-us/articles/204909374-UniFi-Accounts-and-Passwords-for-Controller-Cloud-Key-and-Other-Devices
https://dl.ubnt.com/guides/UniFi/UniFi_Controller_V3_UG.pdf
https://www.youtube.com/watch%3Fv%3DjSv2oai5mU4
https://www.youtube.com/watch%3Fv%3DHQEldhbairU
https://www.youtube.com/watch%3Fv%3DXlXFyTPoquI
https://www.youtube.com/watch%3Fv%3D2Mo4FjQAEuk
https://www.youtube.com/watch%3Fv%3DSl1RDyhRbt4
https://www.reddit.com/r/Ubiquiti/comments/8gmhx7/cannot_login_to_unifi_controller/
https://forum.smartapfel.de/forum/thread/2014-ubiquiti-unifi-ap-ac-lite-ich-komme-nicht-mehr-drauf/
https://blog.emeidi.com/2016/02/05/einen-unifi-controller-von-einem-server-auf-einen-anderen-migrieren/
https://community.spiceworks.com/topic/1851366-unifi-controller-login-problem
https://www.ui.com/software/