Looking for logging into the Otrs Customer Failed 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 Otrs Customer Failed site. After that you can login as usual with your login credentials.
https://forums.otterhub.org/viewtopic.php%3Ft%3D19972
http://www.google.de/url?url=http://lists.otrs.org/pipermail/otrs/2006-November/012967.html
https://www.linuxquestions.org/questions/linux-software-2/otrs-ldap-customers-login-725690/
https://forums.cpanel.net/threads/login-failed-because-your-username-or-password-was-entered-incorrectly.152165/
https://doc.otrs.com/doc/manual/admin/6.0/en/html/external-backends.html
http://www.google.de/url?url=http://doc.otrs.com/doc/api/otrs/6.0/JavaScript/Core.Agent.Login.js.html
https://doc.otrs.com/doc/manual/admin/4.0/en/html/first-login.html
https://phabricator.wikimedia.org/T43819
https://groups.google.com/d/topic/otrs_archive/iv7KRanGJs4
https://forum.ubuntuusers.de/topic/otrs-agenten-login-via-ldap/
https://otrsteam.ideascale.com/a/dtd/Temporarily-block-agent-customer-login-after-X-login-attempts/307921-10369
https://fossies.org/linux/otrs/Kernel/System/CustomerAuth/LDAP.pm
https://community.otrs.com/release-notes-otrs-6/%3Flang%3Dde