Beschreibung der Funktion

Das folgende Skript ermittelt automatisch alle Serverrollen (sowohl die neun festen als auch benutzerdefinierte Rollen) 

SELECT
    @@SERVERNAME AS ServerName,
    m.name AS LoginName,
    STUFF((
        SELECT ',' + r2.name
        FROM sys.server_role_members rm2
        INNER JOIN sys.server_principals r2
            ON rm2.role_principal_id = r2.principal_id
        WHERE rm2.member_principal_id = m.principal_id
          AND r2.type = 'R'
        ORDER BY r2.name
        FOR XML PATH('')
    ), 1, 1, '') AS Roles
FROM sys.server_principals m
WHERE m.type IN ('S', 'U', 'G')   -- SQL-Login, Windows-User, Windows-Gruppe
  AND m.principal_id > 4          -- System-Logins ausblenden (sa, ##MS_...)
  AND EXISTS (
      SELECT 1 FROM sys.server_role_members rm
      WHERE rm.member_principal_id = m.principal_id
  )
ORDER BY m.name;

Ausgabe-Beispiel