Looking for logging into the Windows Ad Through Pfsense 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 Windows Ad Through Pfsense site. After that you can login as usual with your login credentials.
https://geeklk.com/2014/03/03/pfsense-configuring-windows-active-directory-authentication/
https://forum.netgate.com/topic/40583/tutorial-pffense-2-0-active-directory-user-manager
https://vorkbaard.nl/log-in-to-pfsense-based-on-active-directory-group-membership/
https://www.informaticar.net/connect-pfsense-with-ad/
https://vinyanalista.github.io/blog/2017/01/30/pfsense-autenticando-no-active-directory-ad/
https://community.spiceworks.com/how_to/128944-pfsense-admin-logins-via-radius-using-active-directory-accounts
https://community.spiceworks.com/topic/1359373-pfsense-firewall-domain-controller
https://www.reddit.com/r/PFSENSE/comments/4ishun/pfsense_dns_and_dhcp_integrated_with_active/
https://superuser.com/questions/1230828/new-to-active-domain-windows-dns-using-pfsense-resolver-for-external-dns-and-ro
https://www.klehr.de/michael/pfsense-mit-openvpn-und-active-directory-auth/
https://serverfault.com/questions/842452/unable-to-add-active-directory-server-at-pfsense-user-manager
https://administrator.de/forum/pfsense-fw-windows-dns-dhcp-ad-funktioniert-nicht-nslookup-396917.html
http://www.hasandimdik.com/index.php/2014/04/12/pfsense-active-directory-authentication/