Looking for logging into the Failed For User 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 Failed For User Guest site. After that you can login as usual with your login credentials.
https://serverfault.com/questions/120056/login-failed-for-user-pcname-guest
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/e3b2fc8c-e00e-4943-9512-a870b8f678b9/remote-login-failed-for-user-saidguest?forum=sqldataaccess
https://support.microsoft.com/en-us/help/555332/login-failed-for-user-error-message-when-you-log-on-to-sql-server
https://stackoverflow.com/questions/36685642/login-failed-for-user-server-name-guest
http://itproguru.com/expert/2014/09/how-to-fix-login-failed-for-user-microsoft-sql-server-error-18456-step-by-step-add-sql-administrator-to-sql-management-studio/
https://forums.asp.net/t/1763355.aspx?Error+Login+failed+for+user+serverpc+Guest
https://www.experts-exchange.com/questions/24300336/Delphi-7-SQL-Error-Login-failed-for-user-domain-guest.html
https://support.esri.com/en/technical-article/000010143
https://channel9.msdn.com/Blogs/raw-tech/How-To-Fix-Login-Failed-for-User-Microsoft-SQL-Server-Error-18456-Step-By-Step
https://blog.sqlauthority.com/2008/11/02/sql-server-fix-error-login-failed-for-user-username-the-user-is-not-associated-with-a-trusted-sql-server-connection/
https://support.solarwinds.com/Success_Center/Server_Application_Monitor_(SAM)/Knowledgebase_Articles/SQL_Event_log_error_Login_failed_for_user_Domain_Username
http://support.pitneybowes.com/VFP06_KnowledgeWithSidebarTroubleshoot?id=kA280000000Cn31CAC&popup=false&lang=en_US
https://bjtechnews.org/2012/03/microsoft-sql-server-error-18456-login-failed-for-user/