Looking for logging into the Sitefinity Admin 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 Sitefinity Admin site. After that you can login as usual with your login credentials.
https://www.progress.com/documentation/sitefinity-cms/login
https://community.progress.com/community_groups/sitefinity/frontandbackend-development/f/296/t/51240
https://www.progress.com/documentation/sitefinity-cms/login-widget-webforms
https://www.progress.com/documentation/sitefinity-cms/administration-administer-the-sitefinity-system
http://www.pdac.ca/Sitefinity/%7B0%7D
https://www.sitefinity.com/developer-network/forums/general-discussions-/can't-login-to-sitefinity-backen
http://www.31ocean.com/sitefinity/admin/catch31.aspx
http://reverebuildingproducts.com/sitefinity/admin/3%20Blue%20Ridge%20Road%20%20Kaiser,%20MO%20%2065047
https://stackoverflow.com/questions/50853738/sitefinity-11-unable-to-access-content-blogs-or-other-dynamic-module-section
http://insideoutfitness.co.nz/Sitefinity/admin/default.aspx
http://www.keepsandiegomoving.com/sitefinity/login.aspx?ReturnUrl=%2Fsitefinity%2Fadmin%2FSR76-eir.aspx
https://github.com/Sitefinity/Telerik.Sitefinity.Samples.Quantum/issues/19
http://docs.telerik.com/help/sitefinity/developer-manual/who-is-who-in-sitefinity-folder.html