Declare @t TABLE (usr sysname)
Declare @db sysname

Declare c Cursor
Read_Only
FOR
	SELECT name FROM sys.databases where state = 0
	
Open c
Fetch Next FROM c INTO @db
WHILE @@fetch_status = 0
BEGIN
	INSERT	@t
	SELECT	s.name
	from	sys.database_principals d
	join	sys.server_principals s
	on	d.sid = s.sid
	WHERE NOT EXISTS (SELECT usr FROM @t WHERE usr = s.name)
	
	Fetch Next FROM c INTO @db
END
CLOSE c
DEALLOCATE c

SELECT	p.name
FROM	sys.database_principals p
LEFT JOIN
	@t t
On	t.usr = p.name
WHERE	t.usr IS NULL
And	p.principal_id > 5
And	p.type in ('U', 'S')