Former Rangers manager Graeme Souness, former Hearts chief George Burley, Motherwell manager Terry Butcher, Preston's Billy Davies and former Monaco coach Didier Deschamps had all been linked with the Glasgow club.
The former Sheffield Wednesday striker was one of two changes made by Forest boss Billy Davies from last weekend's FA Cup tie with Preston - the other being midfielder Radoslaw Majewski.
Brown would love to see the defender sign for his good friend, Billy Davies, at Forest and has made tentative steps to establish whether his former assistant at Preston is interested.