Sep 2
2023
MSSQL: User, group, or role ‘platnik’ already exists in the current database.
lists logins and incorrect SIDs
USE <platnik_db>
GO
EXEC sp_change_users_login 'Report'
GO
Then start SQL
USE <platnik_db>
GO
EXEC sp_change_users_login 'Auto_Fix','<user_name>',NULL, '<password>'
GO