Looking for logging into the Unifi Failed Guest 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 Failed Guest site. After that you can login as usual with your login credentials.
https://community.ubnt.com/t5/UniFi-Wireless/Guest-unable-to-login-using-Google/td-p/2392803
https://help.ubnt.com/hc/en-us/articles/205222660-UniFi-Configuring-the-SELFRUN-State
https://help.ubnt.com/hc/en-us/articles/115000871247-UniFi-Social-Media-Guest-Authentication
https://community.spiceworks.com/topic/2093852-ubiquiti-unifi-controller-guest-portal-issue
https://community.spiceworks.com/how_to/122231-unifi-guest-network-setup
https://ask.linuxmuster.net/t/unifi-angeblich-keine-webseite-vorhanden/1445
http://content.etilize.com/User-Manual/1025183703.pdf
https://bugs.launchpad.net/bugs/1692870
https://www.miro.co.za/unifi-social-media-guest-authentication/
https://myplaceconnect.com/capture-email-on-unifi/
https://www.geekzone.co.nz/forums.asp?forumid=66&topicid=217839
https://www.comms-express.com/assets/specs/UniFi_Controller_V4_UserGuide.pdf
https://www.reddit.com/r/Ubiquiti/comments/8p6vjm/use_unifi_guest_network_settings_allow_access_to/