Looking for logging into the Zentyal 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 Zentyal site. After that you can login as usual with your login credentials.
https://wiki.zentyal.org/wiki/En/5.0/First_steps_with_Zentyal
https://wiki.zentyal.org/wiki/En/4.0/First_steps_with_Zentyal
http://www.zentyal.com/zentyal-server/
https://store.zentyal.com/customer/account/login/
https://www.techrepublic.com/article/how-to-install-zentyal-server-on-ubuntu-server-16-10/
https://serverfault.com/questions/569146/zentyal-incorrect-password-on-login
https://www.digitalocean.com/community/tutorials/how-to-install-zentyal-on-ubuntu-14-04
https://www.tecmint.com/integrate-ubuntu-system-in-zentyal-pdc/
https://community.spiceworks.com/topic/1390202-zentyal-web-admin-console-password-reset
https://github.com/zentyal/zentyal/blob/master/contrib/captiveportal/src/EBox/CaptivePortal/CGI/Login.pm
https://ubuntuforums.org/showthread.php?t=2014371
http://www.admin-magazine.com/Archive/2015/25/Zentyal-Server-3.5
https://forums.linuxmint.com/viewtopic.php?t=259258