Looking for logging into the Sql 2005 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 Sql 2005 site. After that you can login as usual with your login credentials.
https://social.msdn.microsoft.com/Forums/sqlserver/en-US/97da4a1e-1275-4295-8cf1-a4a5ce1aebb8/how-can-i-login-to-my-ms-sql-server-2005-if-i-forgot-my-login-password?forum=sqlsecurity
http://ftp.icpdas.com/pub/cd/8000cd/napdos/driver/ez_data_logger/ezdatalogger_sqlserver.pdf
https://stackoverflow.com/questions/3996944/how-to-login-to-sql-server-2005-express-management-studio
https://www.mssqltips.com/sqlservertip/1478/identify-sql-server-2005-standard-login-settings/
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://www.bitdefender.com/support/how-to-reset-sql-server-sa-password-using-microsoft-sql-server-management-studio-express-787.html
https://support.esri.com/en/technical-article/000009958
https://serverfault.com/questions/329006/sql-server-2005-express-over-lan-login-failed-for-servername-guest
https://support.plesk.com/hc/en-us/articles/360004061693-MSSQL-sa-user-keeps-getting-locked-Login-failed-for-user-sa-
https://archive.sap.com/discussions/thread/1175509
https://books.google.com.vn/books?id=qrk7botldbYC&pg=PA642&lpg=PA642&dq=sql+2005+login
https://books.google.com.vn/books?id=PgqEEPWRBzAC&pg=PA546&lpg=PA546&dq=sql+2005+login
https://support.rackspace.com/how-to/creating-and-configuring-a-user-in-mssql/