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https://stackoverflow.com/questions/28186685/sqlexception-0x80131904-login-failed-for-user-db123
https://forums.asp.net/t/1281979.aspx?Login+failed+for+user+sa+
https://support.solarwinds.com/Success_Center/Orion_Platform/Knowledgebase_Articles/System_Data_SqlClient_SqlException_0x80131904_Login_failed_for_user_SolarWindsOrionDatabaseUser
https://social.msdn.microsoft.com/Forums/en-US/c5f8b5c8-80bf-41a2-a465-1c78bfd66cab/error-number18456state1class14-login-failed-for-user-sa?forum=sqldataaccess
https://social.technet.microsoft.com/Forums/ie/en-US/5912c012-74cc-48a1-8f2e-8bce15740476/systemdatasqlclientsqlexception-login-failed-for-user-sa?forum=winserverTS
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/563f67d8-83c7-405d-8549-b3197c257bb7/windows-service-sql-server-error-quotlogin-failed-for-userquot?forum=sqldataaccess
https://github.com/aspnet/AspNetCore/issues/3631
http://p2p.wrox.com/book-asp-net-website-programming-problem-design-solution/11375-login-failed-user-sa.html
https://inapp.com/login-failed-user-reason-account-disabled-microsoft-sql-server-error-18470/
https://arstechnica.com/civis/viewtopic.php?f=20&t=581986
https://community.spiceworks.com/topic/2150389-sql-login-failed-for-user
https://discuss.hangfire.io/t/installation-cannot-open-database-hangfire/5204
https://www.ibm.com/support/docview.wss?uid=swg21641959