Olá, obrigado pela atenção, o script que rodei está abaixo, quanto aos acessos mistos não consegui identificar onde posso encontrá-lo.
SP_DROPUSER SYSDBA
GO
SP_DROPALIAS RM
GO
IF NOT EXISTS(SELECT * FROM MASTER.DBO.SYSLOGINS WHERE NAME = 'rm')
CREATE LOGIN rm WITH PASSWORD = 'rm',CHECK_POLICY=OFF
GO
EXEC SP_CHANGEDBOWNER rm
GO
IF NOT EXISTS(SELECT * FROM MASTER.DBO.SYSLOGINS WHERE NAME = 'sysdba')
CREATE LOGIN sysdba WITH PASSWORD = 'masterkey',CHECK_POLICY=OFF
GO
sp_adduser sysdba,sysdba
GO
GRANT SELECT ON GPARAMS TO sysdba
GO
GRANT SELECT , UPDATE ON GUSUARIO TO sysdba
GO
GRANT SELECT ON GPERMIS TO sysdba
GO
GRANT SELECT ON GACESSO TO sysdba
GO
GRANT SELECT ON GSISTEMA TO sysdba
GO
GRANT SELECT ON GCOLIGADA TO sysdba
GO
GRANT SELECT ON GUSRPERFIL TO sysdba
GO
GRANT SELECT ON GSERVICO TO sysdba
GO
GRANT SELECT ON GPARAMETROSSISTEMA TO sysdba
GO
GRANT SELECT,INSERT ON GDATALOG TO sysdba
GO