Query below returns list of logins in current SQL Server instance.

Users vs logins

• Login grants access to the server

• User grants a login access to the database List users in SQL Server database

  One login can be associated with many users but only in different databases

Query

select sp.name as login,
       sp.type_desc as login_type,
       sl.password_hash,
       sp.create_date,
       sp.modify_date,
       case when sp.is_disabled = 1 then 'Disabled'
            else 'Enabled' end as status
from sys.server_principals sp
left join sys.sql_logins sl
          on sp.principal_id = sl.principal_id
where sp.type not in ('G', 'R')
order by sp.name;

Columns

• login - user name
• login_type - principal type:
  • SQL_LOGIN - SQL login
  • WINDOWS_LOGIN - Windows login
  • CERTIFICATE_MAPPED_LOGIN - Login mapped to a certificate
  • ASYMMETRIC_KEY_MAPPED_LOGIN - Login mapped to an asymmetric key
• password_hash - for SQL logins hashed password with SHA-512
• create_date - date the login was added
• modify_date - date the login was last updated
• status - status of the login
  • Enabled
  • Disabled

Rows

• One row represents one user in the database
• Scope of rows: all users in the database
• Ordered by user name

Sample results

SSMS

You can vew logins using SQL Server Management studio. Expand Server -> Security -> Logins branch in Object Explorer.