Looking for logging into the Sql Server Attach Database User 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 Server Attach Database User site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/3144380/how-to-connect-an-existing-sql-server-login-to-an-existing-sql-server-database-u
https://docs.microsoft.com/de-de/sql/relational-databases/databases/attach-a-database
https://docs.microsoft.com/de-de/sql/relational-databases/system-stored-procedures/sp-change-users-login-transact-sql
https://www.aip.im/2010/05/re-map-database-user-to-login-in-sql-server-after-restoring-or-attaching-database/
https://support.esri.com/de/technical-article/000008079
https://dba.stackexchange.com/questions/40844/after-moving-database-backup-restore-i-have-to-re-add-user
https://dba.stackexchange.com/questions/96358/how-can-i-map-a-login-to-a-database-using-t-sql-not-ssms
https://serverfault.com/questions/176520/in-sql-server-how-do-i-create-a-login-for-an-existing-user
https://www.mssqltips.com/sqlservertip/4542/access-is-denied-error-when-attaching-a-sql-server-database/
https://www.firehousesoftware.com/webhelp/FH/Content/FHEnterprise/FHEnterpriseInstallationGuide/06_AttachTheFHDatabase.htm
https://karaszi.com/moving-a-database-between-two-sql-server-instances
https://blog.sqlauthority.com/2018/05/16/sql-server-simple-script-to-create-a-login-and-user-for-a-specific-database-with-system-admin-rights/
https://www.stellarinfo.com/blog/fix-sql-server-access-denied-error/