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https://social.msdn.microsoft.com/Forums/en-US/d17ee5ed-c8d8-4b2e-9fd8-5006074ff6b8/sql-server-error-18542-login-failed-for-user-the-user-is-not-associated-with-a-trusted-sql?forum=sqlsecurity
https://support.microsoft.com/en-sg/help/555332/login-failed-for-user-error-message-when-you-log-on-to-sql-server
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://blog.sqlauthority.com/2007/04/14/sql-server-fix-error-18452-login-failed-for-user-null-the-user-is-not-associated-with-a-trusted-sql-server-connection/
https://blog.sqlauthority.com/2012/09/06/sql-server-fix-error-cannot-connect-to-login-failed-the-login-is-from-an-untrusted-domain-and-cannot-be-used-with-windows-authentication-microsoft-sql-server-error-18452/
https://decipherinfosys.wordpress.com/2008/11/14/the-user-is-not-associated-with-a-trusted-sql-server-connection/
https://www.sqlservercentral.com/Forums/1544250/Login-failed-The-login-is-from-an-untrusted-domain-and-cannot-be-used-with-Windows-authenication-Microsoft-SQL-Server-Error-18452
http://facetimeforandroidd.com/sql-server/microsoft-sql-server-error-18542.php
https://www.sqlservercentral.com/Forums/Topic400504-146-1.aspx
http://www.synetgies.org/microsoft-sql-server-error-18542
http://imoind.com/sql-server/server-error-18542.php
http://www.vsforum.org/sql-server-2005-error-18542
http://www.clixnetwork.com/microsoft-sql-server-error-18542