Looking for logging into the Unifi Controller 5 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 5 site. After that you can login as usual with your login credentials.
https://community.ubnt.com/t5/UniFi-Wireless/Unifi-controller-5-0-6-and-5-0-7-first-login-help/td-p/1587241
https://dl.ubnt.com/guides/UniFi/UniFi_Controller_V5_UG.pdf
https://help.ubnt.com/hc/en-us/articles/204909374-UniFi-Accounts-and-Passwords-for-Controller-Cloud-Key-and-Other-Devices
https://www.youtube.com/watch%3Fv%3DXlXFyTPoquI
https://www.youtube.com/watch%3Fv%3D_cYh6QTlDLw
https://www.youtube.com/watch%3Fv%3D2Mo4FjQAEuk
https://community.spiceworks.com/topic/1851366-unifi-controller-login-problem
https://idomix.de/unifi-controller-5-ueberblick
https://lazyadmin.nl/home-network/unifi-controller-on-a-synology-nas-with-docker/
https://github.com/home-assistant/home-assistant/issues/20027
https://www.reddit.com/r/Ubiquiti/comments/4z8anm/help_cant_log_in_or_reset_my_password_for_unifi/
https://blog.emeidi.com/2016/02/05/einen-unifi-controller-von-einem-server-auf-einen-anderen-migrieren/
https://community.home-assistant.io/t/unifi-5-10-5-login-issues/91084