USE DBNAME     ----- change db name for which you waant to fix orphan users issue

GO


declare @name varchar(150)

DECLARE cur CURSOR FOR
    select name from master..syslogins

Open cur

FETCH NEXT FROM cur into @name

WHILE @@FETCH_STATUS = 0
BEGIN

    EXEC sp_change_users_login 'AUTO_FIX', @name

    FETCH NEXT FROM cur into @name

END

CLOSE cur
DEALLOCATE cur

declare @name varchar(150)
declare @query nvarchar (500)

DECLARE cur CURSOR FOR
    select name from master..syslogins

Open cur

FETCH NEXT FROM cur into @name

WHILE @@FETCH_STATUS = 0
BEGIN

set @query='USE [?]
IF ''?'' <> ''master'' AND ''?'' <> ''model'' AND ''?'' <> ''msdb'' AND ''?'' <> ''tempdb''
BEGIN
exec sp_change_users_login ''Auto_Fix'', '''+ @name +'''
END'

EXEC master..sp_MSForeachdb @query

    FETCH NEXT FROM cur into @name

END

CLOSE cur
DEALLOCATE cur