Hello; I Wanna install exchange 2010 to samba4 pdc installation. But give install error. I want a upgrade a version number to samba4 Domain=[DOMAIN] OS=[Unix] Server=[Samba 4.1.0pre1-GIT-f2d67af] And add service pack number similar Windows servers. Thank You Muharrem Muharrem BEYAZ [http://www.calismiyor.com/imza.jpg]