Du behöver egentligen inte köpa ett verktyg för att hitta dessa referenser.
SELECT
OBJECT_SCHEMA_NAME(fk1.parent_object_id)
+ '.' + OBJECT_NAME(fk1.parent_object_id),
OBJECT_SCHEMA_NAME(fk2.parent_object_id)
+ '.' + OBJECT_NAME(fk2.parent_object_id)
FROM sys.foreign_keys AS fk1
INNER JOIN sys.foreign_keys AS fk2
ON fk1.parent_object_id = fk2.referenced_object_id
AND fk2.parent_object_id = fk1.referenced_object_id;